Home / 65,531.52-90,433.40-37,237.20

Finding the Fourth Proportional to 65,531.52, 90,433.40 and 37,237.20

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Solution

The fourth proportional to 65,531.52, 90,433.40 and 37,237.20 is: 51,387.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,531.52 : 90,433.40 = 37,237.20 : x
  2. Step 2: Convert to fraction form
    65,531.52/90,433.40 = 37,237.20/x
  3. Step 3: Cross multiply
    65,531.52x = 90,433.40 × 37,237.20
  4. Step 4: Simplify right side
    65,531.52x = 3,367,486,602.48
  5. Step 5: Solve for x
    x = 3,367,486,602.48/65,531.52
  6. Step 6: Final answer
    x = 51,387.28

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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.