Home / 42,532.85-63,808.77-12,952.98

Finding the Fourth Proportional to 42,532.85, 63,808.77 and 12,952.98

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Solution

The fourth proportional to 42,532.85, 63,808.77 and 12,952.98 is: 19,432.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,532.85 : 63,808.77 = 12,952.98 : x
  2. Step 2: Convert to fraction form
    42,532.85/63,808.77 = 12,952.98/x
  3. Step 3: Cross multiply
    42,532.85x = 63,808.77 × 12,952.98
  4. Step 4: Simplify right side
    42,532.85x = 826,513,721.63
  5. Step 5: Solve for x
    x = 826,513,721.63/42,532.85
  6. Step 6: Final answer
    x = 19,432.36

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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.