Home / 40,540.04-60,810.08-20,806.01

Finding the Fourth Proportional to 40,540.04, 60,810.08 and 20,806.01

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Solution

The fourth proportional to 40,540.04, 60,810.08 and 20,806.01 is: 31,209.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,540.04 : 60,810.08 = 20,806.01 : x
  2. Step 2: Convert to fraction form
    40,540.04/60,810.08 = 20,806.01/x
  3. Step 3: Cross multiply
    40,540.04x = 60,810.08 × 20,806.01
  4. Step 4: Simplify right side
    40,540.04x = 1,265,215,294.59
  5. Step 5: Solve for x
    x = 1,265,215,294.59/40,540.04
  6. Step 6: Final answer
    x = 31,209.03

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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.