Home / 56,494.90-77,962.74-31,001.69

Finding the Fourth Proportional to 56,494.90, 77,962.74 and 31,001.69

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Solution

The fourth proportional to 56,494.90, 77,962.74 and 31,001.69 is: 42,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,494.90 : 77,962.74 = 31,001.69 : x
  2. Step 2: Convert to fraction form
    56,494.90/77,962.74 = 31,001.69/x
  3. Step 3: Cross multiply
    56,494.90x = 77,962.74 × 31,001.69
  4. Step 4: Simplify right side
    56,494.90x = 2,416,976,511.53
  5. Step 5: Solve for x
    x = 2,416,976,511.53/56,494.90
  6. Step 6: Final answer
    x = 42,782.21

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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.