Home / 42,524.61-63,787.91-20,340.33

Finding the Fourth Proportional to 42,524.61, 63,787.91 and 20,340.33

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Solution

The fourth proportional to 42,524.61, 63,787.91 and 20,340.33 is: 30,510.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,524.61 : 63,787.91 = 20,340.33 : x
  2. Step 2: Convert to fraction form
    42,524.61/63,787.91 = 20,340.33/x
  3. Step 3: Cross multiply
    42,524.61x = 63,787.91 × 20,340.33
  4. Step 4: Simplify right side
    42,524.61x = 1,297,467,037.71
  5. Step 5: Solve for x
    x = 1,297,467,037.71/42,524.61
  6. Step 6: Final answer
    x = 30,510.97

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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.