Home / 40,325.55-55,646.10-22,419.47

Finding the Fourth Proportional to 40,325.55, 55,646.10 and 22,419.47

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Solution

The fourth proportional to 40,325.55, 55,646.10 and 22,419.47 is: 30,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,325.55 : 55,646.10 = 22,419.47 : x
  2. Step 2: Convert to fraction form
    40,325.55/55,646.10 = 22,419.47/x
  3. Step 3: Cross multiply
    40,325.55x = 55,646.10 × 22,419.47
  4. Step 4: Simplify right side
    40,325.55x = 1,247,556,069.57
  5. Step 5: Solve for x
    x = 1,247,556,069.57/40,325.55
  6. Step 6: Final answer
    x = 30,937.11

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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.