Home / 65,531.19-90,433.08-37,236.88

Finding the Fourth Proportional to 65,531.19, 90,433.08 and 37,236.88

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Solution

The fourth proportional to 65,531.19, 90,433.08 and 37,236.88 is: 51,386.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,531.19 : 90,433.08 = 37,236.88 : x
  2. Step 2: Convert to fraction form
    65,531.19/90,433.08 = 37,236.88/x
  3. Step 3: Cross multiply
    65,531.19x = 90,433.08 × 37,236.88
  4. Step 4: Simplify right side
    65,531.19x = 3,367,445,109.64
  5. Step 5: Solve for x
    x = 3,367,445,109.64/65,531.19
  6. Step 6: Final answer
    x = 51,386.91

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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.