Home / 40,282.60-60,435.96-13,987.48

Finding the Fourth Proportional to 40,282.60, 60,435.96 and 13,987.48

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Solution

The fourth proportional to 40,282.60, 60,435.96 and 13,987.48 is: 20,985.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,282.60 : 60,435.96 = 13,987.48 : x
  2. Step 2: Convert to fraction form
    40,282.60/60,435.96 = 13,987.48/x
  3. Step 3: Cross multiply
    40,282.60x = 60,435.96 × 13,987.48
  4. Step 4: Simplify right side
    40,282.60x = 845,346,781.78
  5. Step 5: Solve for x
    x = 845,346,781.78/40,282.60
  6. Step 6: Final answer
    x = 20,985.41

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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.