Home / 48,191.12-72,300.10-20,124.42

Finding the Fourth Proportional to 48,191.12, 72,300.10 and 20,124.42

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Solution

The fourth proportional to 48,191.12, 72,300.10 and 20,124.42 is: 30,192.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,191.12 : 72,300.10 = 20,124.42 : x
  2. Step 2: Convert to fraction form
    48,191.12/72,300.10 = 20,124.42/x
  3. Step 3: Cross multiply
    48,191.12x = 72,300.10 × 20,124.42
  4. Step 4: Simplify right side
    48,191.12x = 1,454,997,578.44
  5. Step 5: Solve for x
    x = 1,454,997,578.44/48,191.12
  6. Step 6: Final answer
    x = 30,192.23

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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.