Home / 42,519.64-63,776.88-15,860.50

Finding the Fourth Proportional to 42,519.64, 63,776.88 and 15,860.50

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Solution

The fourth proportional to 42,519.64, 63,776.88 and 15,860.50 is: 23,789.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,519.64 : 63,776.88 = 15,860.50 : x
  2. Step 2: Convert to fraction form
    42,519.64/63,776.88 = 15,860.50/x
  3. Step 3: Cross multiply
    42,519.64x = 63,776.88 × 15,860.50
  4. Step 4: Simplify right side
    42,519.64x = 1,011,533,205.24
  5. Step 5: Solve for x
    x = 1,011,533,205.24/42,519.64
  6. Step 6: Final answer
    x = 23,789.79

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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.