Home / 40,452.49-60,681.81-13,790.20

Finding the Fourth Proportional to 40,452.49, 60,681.81 and 13,790.20

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Solution

The fourth proportional to 40,452.49, 60,681.81 and 13,790.20 is: 20,686.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,452.49 : 60,681.81 = 13,790.20 : x
  2. Step 2: Convert to fraction form
    40,452.49/60,681.81 = 13,790.20/x
  3. Step 3: Cross multiply
    40,452.49x = 60,681.81 × 13,790.20
  4. Step 4: Simplify right side
    40,452.49x = 836,814,296.26
  5. Step 5: Solve for x
    x = 836,814,296.26/40,452.49
  6. Step 6: Final answer
    x = 20,686.35

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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.