Home / 56,355.39-77,770.41-31,204.89

Finding the Fourth Proportional to 56,355.39, 77,770.41 and 31,204.89

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Solution

The fourth proportional to 56,355.39, 77,770.41 and 31,204.89 is: 43,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,355.39 : 77,770.41 = 31,204.89 : x
  2. Step 2: Convert to fraction form
    56,355.39/77,770.41 = 31,204.89/x
  3. Step 3: Cross multiply
    56,355.39x = 77,770.41 × 31,204.89
  4. Step 4: Simplify right side
    56,355.39x = 2,426,817,089.30
  5. Step 5: Solve for x
    x = 2,426,817,089.30/56,355.39
  6. Step 6: Final answer
    x = 43,062.73

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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.