Home / 84,737.73-127,107.35-21,557.94

Finding the Fourth Proportional to 84,737.73, 127,107.35 and 21,557.94

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Solution

The fourth proportional to 84,737.73, 127,107.35 and 21,557.94 is: 32,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,737.73 : 127,107.35 = 21,557.94 : x
  2. Step 2: Convert to fraction form
    84,737.73/127,107.35 = 21,557.94/x
  3. Step 3: Cross multiply
    84,737.73x = 127,107.35 × 21,557.94
  4. Step 4: Simplify right side
    84,737.73x = 2,740,172,624.86
  5. Step 5: Solve for x
    x = 2,740,172,624.86/84,737.73
  6. Step 6: Final answer
    x = 32,337.10

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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.