Home / 48,191.50-66,545.31-30,316.42

Finding the Fourth Proportional to 48,191.50, 66,545.31 and 30,316.42

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Solution

The fourth proportional to 48,191.50, 66,545.31 and 30,316.42 is: 41,862.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,191.50 : 66,545.31 = 30,316.42 : x
  2. Step 2: Convert to fraction form
    48,191.50/66,545.31 = 30,316.42/x
  3. Step 3: Cross multiply
    48,191.50x = 66,545.31 × 30,316.42
  4. Step 4: Simplify right side
    48,191.50x = 2,017,415,566.99
  5. Step 5: Solve for x
    x = 2,017,415,566.99/48,191.50
  6. Step 6: Final answer
    x = 41,862.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.