Home / 39,700.32-59,534.72-18,909.28

Finding the Fourth Proportional to 39,700.32, 59,534.72 and 18,909.28

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Solution

The fourth proportional to 39,700.32, 59,534.72 and 18,909.28 is: 28,356.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,700.32 : 59,534.72 = 18,909.28 : x
  2. Step 2: Convert to fraction form
    39,700.32/59,534.72 = 18,909.28/x
  3. Step 3: Cross multiply
    39,700.32x = 59,534.72 × 18,909.28
  4. Step 4: Simplify right side
    39,700.32x = 1,125,758,690.20
  5. Step 5: Solve for x
    x = 1,125,758,690.20/39,700.32
  6. Step 6: Final answer
    x = 28,356.41

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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.