Home / 42,515.20-63,759.20-14,045.84

Finding the Fourth Proportional to 42,515.20, 63,759.20 and 14,045.84

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Solution

The fourth proportional to 42,515.20, 63,759.20 and 14,045.84 is: 21,064.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,515.20 : 63,759.20 = 14,045.84 : x
  2. Step 2: Convert to fraction form
    42,515.20/63,759.20 = 14,045.84/x
  3. Step 3: Cross multiply
    42,515.20x = 63,759.20 × 14,045.84
  4. Step 4: Simplify right side
    42,515.20x = 895,551,521.73
  5. Step 5: Solve for x
    x = 895,551,521.73/42,515.20
  6. Step 6: Final answer
    x = 21,064.27

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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.