Home / 51,686.68-71,327.36-29,025.68

Finding the Fourth Proportional to 51,686.68, 71,327.36 and 29,025.68

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Solution

The fourth proportional to 51,686.68, 71,327.36 and 29,025.68 is: 40,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,686.68 : 71,327.36 = 29,025.68 : x
  2. Step 2: Convert to fraction form
    51,686.68/71,327.36 = 29,025.68/x
  3. Step 3: Cross multiply
    51,686.68x = 71,327.36 × 29,025.68
  4. Step 4: Simplify right side
    51,686.68x = 2,070,325,126.60
  5. Step 5: Solve for x
    x = 2,070,325,126.60/51,686.68
  6. Step 6: Final answer
    x = 40,055.29

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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.