Home / 61,127.46-84,383.52-38,499.70

Finding the Fourth Proportional to 61,127.46, 84,383.52 and 38,499.70

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Solution

The fourth proportional to 61,127.46, 84,383.52 and 38,499.70 is: 53,146.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,127.46 : 84,383.52 = 38,499.70 : x
  2. Step 2: Convert to fraction form
    61,127.46/84,383.52 = 38,499.70/x
  3. Step 3: Cross multiply
    61,127.46x = 84,383.52 × 38,499.70
  4. Step 4: Simplify right side
    61,127.46x = 3,248,740,204.94
  5. Step 5: Solve for x
    x = 3,248,740,204.94/61,127.46
  6. Step 6: Final answer
    x = 53,146.99

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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.