Home / 48,242.25-72,321.53-18,681.57

Finding the Fourth Proportional to 48,242.25, 72,321.53 and 18,681.57

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Solution

The fourth proportional to 48,242.25, 72,321.53 and 18,681.57 is: 28,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,242.25 : 72,321.53 = 18,681.57 : x
  2. Step 2: Convert to fraction form
    48,242.25/72,321.53 = 18,681.57/x
  3. Step 3: Cross multiply
    48,242.25x = 72,321.53 × 18,681.57
  4. Step 4: Simplify right side
    48,242.25x = 1,351,079,631.79
  5. Step 5: Solve for x
    x = 1,351,079,631.79/48,242.25
  6. Step 6: Final answer
    x = 28,006.15

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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.