Home / 42,448.70-63,682.29-15,790.53

Finding the Fourth Proportional to 42,448.70, 63,682.29 and 15,790.53

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Solution

The fourth proportional to 42,448.70, 63,682.29 and 15,790.53 is: 23,689.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,448.70 : 63,682.29 = 15,790.53 : x
  2. Step 2: Convert to fraction form
    42,448.70/63,682.29 = 15,790.53/x
  3. Step 3: Cross multiply
    42,448.70x = 63,682.29 × 15,790.53
  4. Step 4: Simplify right side
    42,448.70x = 1,005,577,110.71
  5. Step 5: Solve for x
    x = 1,005,577,110.71/42,448.70
  6. Step 6: Final answer
    x = 23,689.23

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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.