Home / 66,551.71-99,827.16-16,631.55

Finding the Fourth Proportional to 66,551.71, 99,827.16 and 16,631.55

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Solution

The fourth proportional to 66,551.71, 99,827.16 and 16,631.55 is: 24,947.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,551.71 : 99,827.16 = 16,631.55 : x
  2. Step 2: Convert to fraction form
    66,551.71/99,827.16 = 16,631.55/x
  3. Step 3: Cross multiply
    66,551.71x = 99,827.16 × 16,631.55
  4. Step 4: Simplify right side
    66,551.71x = 1,660,280,402.90
  5. Step 5: Solve for x
    x = 1,660,280,402.90/66,551.71
  6. Step 6: Final answer
    x = 24,947.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.