Home / 51,430.13-77,083.53-26,481.93

Finding the Fourth Proportional to 51,430.13, 77,083.53 and 26,481.93

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Solution

The fourth proportional to 51,430.13, 77,083.53 and 26,481.93 is: 39,691.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,430.13 : 77,083.53 = 26,481.93 : x
  2. Step 2: Convert to fraction form
    51,430.13/77,083.53 = 26,481.93/x
  3. Step 3: Cross multiply
    51,430.13x = 77,083.53 × 26,481.93
  4. Step 4: Simplify right side
    51,430.13x = 2,041,320,645.61
  5. Step 5: Solve for x
    x = 2,041,320,645.61/51,430.13
  6. Step 6: Final answer
    x = 39,691.14

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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.