Home / 29,549.71-40,778.51-16,120.87

Finding the Fourth Proportional to 29,549.71, 40,778.51 and 16,120.87

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Solution

The fourth proportional to 29,549.71, 40,778.51 and 16,120.87 is: 22,246.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,549.71 : 40,778.51 = 16,120.87 : x
  2. Step 2: Convert to fraction form
    29,549.71/40,778.51 = 16,120.87/x
  3. Step 3: Cross multiply
    29,549.71x = 40,778.51 × 16,120.87
  4. Step 4: Simplify right side
    29,549.71x = 657,385,069.32
  5. Step 5: Solve for x
    x = 657,385,069.32/29,549.71
  6. Step 6: Final answer
    x = 22,246.75

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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.