Home / 40,266.79-60,354.61-20,503.60

Finding the Fourth Proportional to 40,266.79, 60,354.61 and 20,503.60

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Solution

The fourth proportional to 40,266.79, 60,354.61 and 20,503.60 is: 30,732.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,266.79 : 60,354.61 = 20,503.60 : x
  2. Step 2: Convert to fraction form
    40,266.79/60,354.61 = 20,503.60/x
  3. Step 3: Cross multiply
    40,266.79x = 60,354.61 × 20,503.60
  4. Step 4: Simplify right side
    40,266.79x = 1,237,486,781.60
  5. Step 5: Solve for x
    x = 1,237,486,781.60/40,266.79
  6. Step 6: Final answer
    x = 30,732.19

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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.