Home / 30,770.15-42,461.60-17,344.13

Finding the Fourth Proportional to 30,770.15, 42,461.60 and 17,344.13

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Solution

The fourth proportional to 30,770.15, 42,461.60 and 17,344.13 is: 23,934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,770.15 : 42,461.60 = 17,344.13 : x
  2. Step 2: Convert to fraction form
    30,770.15/42,461.60 = 17,344.13/x
  3. Step 3: Cross multiply
    30,770.15x = 42,461.60 × 17,344.13
  4. Step 4: Simplify right side
    30,770.15x = 736,459,211.38
  5. Step 5: Solve for x
    x = 736,459,211.38/30,770.15
  6. Step 6: Final answer
    x = 23,934.21

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Half scale
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Double scale
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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.