Home / 42,209.39-63,294.48-15,548.64

Finding the Fourth Proportional to 42,209.39, 63,294.48 and 15,548.64

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Solution

The fourth proportional to 42,209.39, 63,294.48 and 15,548.64 is: 23,315.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,209.39 : 63,294.48 = 15,548.64 : x
  2. Step 2: Convert to fraction form
    42,209.39/63,294.48 = 15,548.64/x
  3. Step 3: Cross multiply
    42,209.39x = 63,294.48 × 15,548.64
  4. Step 4: Simplify right side
    42,209.39x = 984,143,083.51
  5. Step 5: Solve for x
    x = 984,143,083.51/42,209.39
  6. Step 6: Final answer
    x = 23,315.74

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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.