Home / 55,312.59-76,337.93-31,442.86

Finding the Fourth Proportional to 55,312.59, 76,337.93 and 31,442.86

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Solution

The fourth proportional to 55,312.59, 76,337.93 and 31,442.86 is: 43,394.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,312.59 : 76,337.93 = 31,442.86 : x
  2. Step 2: Convert to fraction form
    55,312.59/76,337.93 = 31,442.86/x
  3. Step 3: Cross multiply
    55,312.59x = 76,337.93 × 31,442.86
  4. Step 4: Simplify right side
    55,312.59x = 2,400,283,019.71
  5. Step 5: Solve for x
    x = 2,400,283,019.71/55,312.59
  6. Step 6: Final answer
    x = 43,394.87

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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.