Home / 61,278.81-84,558.17-34,424.28

Finding the Fourth Proportional to 61,278.81, 84,558.17 and 34,424.28

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Solution

The fourth proportional to 61,278.81, 84,558.17 and 34,424.28 is: 47,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,278.81 : 84,558.17 = 34,424.28 : x
  2. Step 2: Convert to fraction form
    61,278.81/84,558.17 = 34,424.28/x
  3. Step 3: Cross multiply
    61,278.81x = 84,558.17 × 34,424.28
  4. Step 4: Simplify right side
    61,278.81x = 2,910,853,948.25
  5. Step 5: Solve for x
    x = 2,910,853,948.25/61,278.81
  6. Step 6: Final answer
    x = 47,501.80

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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.