Home / 42,487.74-63,717.64-14,400.59

Finding the Fourth Proportional to 42,487.74, 63,717.64 and 14,400.59

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Solution

The fourth proportional to 42,487.74, 63,717.64 and 14,400.59 is: 21,596.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,487.74 : 63,717.64 = 14,400.59 : x
  2. Step 2: Convert to fraction form
    42,487.74/63,717.64 = 14,400.59/x
  3. Step 3: Cross multiply
    42,487.74x = 63,717.64 × 14,400.59
  4. Step 4: Simplify right side
    42,487.74x = 917,571,254.82
  5. Step 5: Solve for x
    x = 917,571,254.82/42,487.74
  6. Step 6: Final answer
    x = 21,596.14

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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.