Home / 61,430.92-92,129.34-26,362.78

Finding the Fourth Proportional to 61,430.92, 92,129.34 and 26,362.78

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Solution

The fourth proportional to 61,430.92, 92,129.34 and 26,362.78 is: 39,536.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,430.92 : 92,129.34 = 26,362.78 : x
  2. Step 2: Convert to fraction form
    61,430.92/92,129.34 = 26,362.78/x
  3. Step 3: Cross multiply
    61,430.92x = 92,129.34 × 26,362.78
  4. Step 4: Simplify right side
    61,430.92x = 2,428,785,521.97
  5. Step 5: Solve for x
    x = 2,428,785,521.97/61,430.92
  6. Step 6: Final answer
    x = 39,536.86

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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.