Home / 47,637.20-71,434.20-18,045.20

Finding the Fourth Proportional to 47,637.20, 71,434.20 and 18,045.20

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Solution

The fourth proportional to 47,637.20, 71,434.20 and 18,045.20 is: 27,059.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,637.20 : 71,434.20 = 18,045.20 : x
  2. Step 2: Convert to fraction form
    47,637.20/71,434.20 = 18,045.20/x
  3. Step 3: Cross multiply
    47,637.20x = 71,434.20 × 18,045.20
  4. Step 4: Simplify right side
    47,637.20x = 1,289,044,425.84
  5. Step 5: Solve for x
    x = 1,289,044,425.84/47,637.20
  6. Step 6: Final answer
    x = 27,059.62

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1.5x scale

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.