Home / 42,646.90-63,887.22-25,965.58

Finding the Fourth Proportional to 42,646.90, 63,887.22 and 25,965.58

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Solution

The fourth proportional to 42,646.90, 63,887.22 and 25,965.58 is: 38,897.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,646.90 : 63,887.22 = 25,965.58 : x
  2. Step 2: Convert to fraction form
    42,646.90/63,887.22 = 25,965.58/x
  3. Step 3: Cross multiply
    42,646.90x = 63,887.22 × 25,965.58
  4. Step 4: Simplify right side
    42,646.90x = 1,658,868,721.89
  5. Step 5: Solve for x
    x = 1,658,868,721.89/42,646.90
  6. Step 6: Final answer
    x = 38,897.76

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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.