Home / 61,353.52-84,615.40-42,263.76

Finding the Fourth Proportional to 61,353.52, 84,615.40 and 42,263.76

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Solution

The fourth proportional to 61,353.52, 84,615.40 and 42,263.76 is: 58,287.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,353.52 : 84,615.40 = 42,263.76 : x
  2. Step 2: Convert to fraction form
    61,353.52/84,615.40 = 42,263.76/x
  3. Step 3: Cross multiply
    61,353.52x = 84,615.40 × 42,263.76
  4. Step 4: Simplify right side
    61,353.52x = 3,576,164,957.90
  5. Step 5: Solve for x
    x = 3,576,164,957.90/61,353.52
  6. Step 6: Final answer
    x = 58,287.85

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1.5x scale

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.