Home / 61,977.92-85,531.20-33,685.52

Finding the Fourth Proportional to 61,977.92, 85,531.20 and 33,685.52

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Solution

The fourth proportional to 61,977.92, 85,531.20 and 33,685.52 is: 46,486.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,977.92 : 85,531.20 = 33,685.52 : x
  2. Step 2: Convert to fraction form
    61,977.92/85,531.20 = 33,685.52/x
  3. Step 3: Cross multiply
    61,977.92x = 85,531.20 × 33,685.52
  4. Step 4: Simplify right side
    61,977.92x = 2,881,162,948.22
  5. Step 5: Solve for x
    x = 2,881,162,948.22/61,977.92
  6. Step 6: Final answer
    x = 46,486.93

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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.