Home / 40,139.22-60,217.63-13,484.24

Finding the Fourth Proportional to 40,139.22, 60,217.63 and 13,484.24

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Solution

The fourth proportional to 40,139.22, 60,217.63 and 13,484.24 is: 20,229.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,139.22 : 60,217.63 = 13,484.24 : x
  2. Step 2: Convert to fraction form
    40,139.22/60,217.63 = 13,484.24/x
  3. Step 3: Cross multiply
    40,139.22x = 60,217.63 × 13,484.24
  4. Step 4: Simplify right side
    40,139.22x = 811,989,159.41
  5. Step 5: Solve for x
    x = 811,989,159.41/40,139.22
  6. Step 6: Final answer
    x = 20,229.32

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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.