Home / 48,171.28-72,256.92-13,110.88

Finding the Fourth Proportional to 48,171.28, 72,256.92 and 13,110.88

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Solution

The fourth proportional to 48,171.28, 72,256.92 and 13,110.88 is: 19,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,171.28 : 72,256.92 = 13,110.88 : x
  2. Step 2: Convert to fraction form
    48,171.28/72,256.92 = 13,110.88/x
  3. Step 3: Cross multiply
    48,171.28x = 72,256.92 × 13,110.88
  4. Step 4: Simplify right side
    48,171.28x = 947,351,807.29
  5. Step 5: Solve for x
    x = 947,351,807.29/48,171.28
  6. Step 6: Final answer
    x = 19,666.32

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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.