Home / 71,268.24-98,348.70-39,437.12

Finding the Fourth Proportional to 71,268.24, 98,348.70 and 39,437.12

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Solution

The fourth proportional to 71,268.24, 98,348.70 and 39,437.12 is: 54,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,268.24 : 98,348.70 = 39,437.12 : x
  2. Step 2: Convert to fraction form
    71,268.24/98,348.70 = 39,437.12/x
  3. Step 3: Cross multiply
    71,268.24x = 98,348.70 × 39,437.12
  4. Step 4: Simplify right side
    71,268.24x = 3,878,589,483.74
  5. Step 5: Solve for x
    x = 3,878,589,483.74/71,268.24
  6. Step 6: Final answer
    x = 54,422.41

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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.