Home / 48,117.17-72,175.71-21,456.29

Finding the Fourth Proportional to 48,117.17, 72,175.71 and 21,456.29

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Solution

The fourth proportional to 48,117.17, 72,175.71 and 21,456.29 is: 32,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,117.17 : 72,175.71 = 21,456.29 : x
  2. Step 2: Convert to fraction form
    48,117.17/72,175.71 = 21,456.29/x
  3. Step 3: Cross multiply
    48,117.17x = 72,175.71 × 21,456.29
  4. Step 4: Simplify right side
    48,117.17x = 1,548,622,964.72
  5. Step 5: Solve for x
    x = 1,548,622,964.72/48,117.17
  6. Step 6: Final answer
    x = 32,184.41

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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.