Home / 40,001.42-60,039.80-20,294.12

Finding the Fourth Proportional to 40,001.42, 60,039.80 and 20,294.12

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Solution

The fourth proportional to 40,001.42, 60,039.80 and 20,294.12 is: 30,460.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,001.42 : 60,039.80 = 20,294.12 : x
  2. Step 2: Convert to fraction form
    40,001.42/60,039.80 = 20,294.12/x
  3. Step 3: Cross multiply
    40,001.42x = 60,039.80 × 20,294.12
  4. Step 4: Simplify right side
    40,001.42x = 1,218,454,905.98
  5. Step 5: Solve for x
    x = 1,218,454,905.98/40,001.42
  6. Step 6: Final answer
    x = 30,460.29

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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.