Home / 30,818.28-42,529.26-16,671.06

Finding the Fourth Proportional to 30,818.28, 42,529.26 and 16,671.06

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Solution

The fourth proportional to 30,818.28, 42,529.26 and 16,671.06 is: 23,006.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,818.28 : 42,529.26 = 16,671.06 : x
  2. Step 2: Convert to fraction form
    30,818.28/42,529.26 = 16,671.06/x
  3. Step 3: Cross multiply
    30,818.28x = 42,529.26 × 16,671.06
  4. Step 4: Simplify right side
    30,818.28x = 709,007,845.22
  5. Step 5: Solve for x
    x = 709,007,845.22/30,818.28
  6. Step 6: Final answer
    x = 23,006.08

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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.