Home / 30,863.34-42,591.47-16,716.18

Finding the Fourth Proportional to 30,863.34, 42,591.47 and 16,716.18

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Solution

The fourth proportional to 30,863.34, 42,591.47 and 16,716.18 is: 23,068.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,863.34 : 42,591.47 = 16,716.18 : x
  2. Step 2: Convert to fraction form
    30,863.34/42,591.47 = 16,716.18/x
  3. Step 3: Cross multiply
    30,863.34x = 42,591.47 × 16,716.18
  4. Step 4: Simplify right side
    30,863.34x = 711,966,595.40
  5. Step 5: Solve for x
    x = 711,966,595.40/30,863.34
  6. Step 6: Final answer
    x = 23,068.36

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Half scale
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Double scale
Find fourth proportional to 30,864.34, 42,592.85 and 16,717.18
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.