Home / 55,312.22-76,337.42-31,442.49

Finding the Fourth Proportional to 55,312.22, 76,337.42 and 31,442.49

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Solution

The fourth proportional to 55,312.22, 76,337.42 and 31,442.49 is: 43,394.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,312.22 : 76,337.42 = 31,442.49 : x
  2. Step 2: Convert to fraction form
    55,312.22/76,337.42 = 31,442.49/x
  3. Step 3: Cross multiply
    55,312.22x = 76,337.42 × 31,442.49
  4. Step 4: Simplify right side
    55,312.22x = 2,400,238,407.76
  5. Step 5: Solve for x
    x = 2,400,238,407.76/55,312.22
  6. Step 6: Final answer
    x = 43,394.36

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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.