Home / 47,723.84-71,565.78-18,125.36

Finding the Fourth Proportional to 47,723.84, 71,565.78 and 18,125.36

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Solution

The fourth proportional to 47,723.84, 71,565.78 and 18,125.36 is: 27,180.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,723.84 : 71,565.78 = 18,125.36 : x
  2. Step 2: Convert to fraction form
    47,723.84/71,565.78 = 18,125.36/x
  3. Step 3: Cross multiply
    47,723.84x = 71,565.78 × 18,125.36
  4. Step 4: Simplify right side
    47,723.84x = 1,297,155,526.18
  5. Step 5: Solve for x
    x = 1,297,155,526.18/47,723.84
  6. Step 6: Final answer
    x = 27,180.45

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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.