Home / 48,370.29-72,541.66-18,781.80

Finding the Fourth Proportional to 48,370.29, 72,541.66 and 18,781.80

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Solution

The fourth proportional to 48,370.29, 72,541.66 and 18,781.80 is: 28,167.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,370.29 : 72,541.66 = 18,781.80 : x
  2. Step 2: Convert to fraction form
    48,370.29/72,541.66 = 18,781.80/x
  3. Step 3: Cross multiply
    48,370.29x = 72,541.66 × 18,781.80
  4. Step 4: Simplify right side
    48,370.29x = 1,362,462,949.79
  5. Step 5: Solve for x
    x = 1,362,462,949.79/48,370.29
  6. Step 6: Final answer
    x = 28,167.35

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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.