Home / 42,353.28-63,534.24-12,772.08

Finding the Fourth Proportional to 42,353.28, 63,534.24 and 12,772.08

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Solution

The fourth proportional to 42,353.28, 63,534.24 and 12,772.08 is: 19,159.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,353.28 : 63,534.24 = 12,772.08 : x
  2. Step 2: Convert to fraction form
    42,353.28/63,534.24 = 12,772.08/x
  3. Step 3: Cross multiply
    42,353.28x = 63,534.24 × 12,772.08
  4. Step 4: Simplify right side
    42,353.28x = 811,464,396.02
  5. Step 5: Solve for x
    x = 811,464,396.02/42,353.28
  6. Step 6: Final answer
    x = 19,159.42

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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.