Home / 84,737.43-127,105.58-21,557.00

Finding the Fourth Proportional to 84,737.43, 127,105.58 and 21,557.00

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Solution

The fourth proportional to 84,737.43, 127,105.58 and 21,557.00 is: 32,335.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,737.43 : 127,105.58 = 21,557.00 : x
  2. Step 2: Convert to fraction form
    84,737.43/127,105.58 = 21,557.00/x
  3. Step 3: Cross multiply
    84,737.43x = 127,105.58 × 21,557.00
  4. Step 4: Simplify right side
    84,737.43x = 2,740,015,359.72
  5. Step 5: Solve for x
    x = 2,740,015,359.72/84,737.43
  6. Step 6: Final answer
    x = 32,335.36

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1.5x scale

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.