Home / 40,330.89-60,508.65-20,623.29

Finding the Fourth Proportional to 40,330.89, 60,508.65 and 20,623.29

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Solution

The fourth proportional to 40,330.89, 60,508.65 and 20,623.29 is: 30,941.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,330.89 : 60,508.65 = 20,623.29 : x
  2. Step 2: Convert to fraction form
    40,330.89/60,508.65 = 20,623.29/x
  3. Step 3: Cross multiply
    40,330.89x = 60,508.65 × 20,623.29
  4. Step 4: Simplify right side
    40,330.89x = 1,247,887,436.46
  5. Step 5: Solve for x
    x = 1,247,887,436.46/40,330.89
  6. Step 6: Final answer
    x = 30,941.23

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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.