Home / 48,437.10-72,689.22-18,855.18

Finding the Fourth Proportional to 48,437.10, 72,689.22 and 18,855.18

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Solution

The fourth proportional to 48,437.10, 72,689.22 and 18,855.18 is: 28,295.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,437.10 : 72,689.22 = 18,855.18 : x
  2. Step 2: Convert to fraction form
    48,437.10/72,689.22 = 18,855.18/x
  3. Step 3: Cross multiply
    48,437.10x = 72,689.22 × 18,855.18
  4. Step 4: Simplify right side
    48,437.10x = 1,370,568,327.16
  5. Step 5: Solve for x
    x = 1,370,568,327.16/48,437.10
  6. Step 6: Final answer
    x = 28,295.84

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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.