Home / 48,531.98-72,754.65-18,942.92

Finding the Fourth Proportional to 48,531.98, 72,754.65 and 18,942.92

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Solution

The fourth proportional to 48,531.98, 72,754.65 and 18,942.92 is: 28,397.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,531.98 : 72,754.65 = 18,942.92 : x
  2. Step 2: Convert to fraction form
    48,531.98/72,754.65 = 18,942.92/x
  3. Step 3: Cross multiply
    48,531.98x = 72,754.65 × 18,942.92
  4. Step 4: Simplify right side
    48,531.98x = 1,378,185,514.58
  5. Step 5: Solve for x
    x = 1,378,185,514.58/48,531.98
  6. Step 6: Final answer
    x = 28,397.47

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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.