Home / 62,431.32-86,155.50-34,136.98

Finding the Fourth Proportional to 62,431.32, 86,155.50 and 34,136.98

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Solution

The fourth proportional to 62,431.32, 86,155.50 and 34,136.98 is: 47,109.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,431.32 : 86,155.50 = 34,136.98 : x
  2. Step 2: Convert to fraction form
    62,431.32/86,155.50 = 34,136.98/x
  3. Step 3: Cross multiply
    62,431.32x = 86,155.50 × 34,136.98
  4. Step 4: Simplify right side
    62,431.32x = 2,941,088,580.39
  5. Step 5: Solve for x
    x = 2,941,088,580.39/62,431.32
  6. Step 6: Final answer
    x = 47,109.18

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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.