Home / 65,645.27-90,591.02-37,352.78

Finding the Fourth Proportional to 65,645.27, 90,591.02 and 37,352.78

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Solution

The fourth proportional to 65,645.27, 90,591.02 and 37,352.78 is: 51,547.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,645.27 : 90,591.02 = 37,352.78 : x
  2. Step 2: Convert to fraction form
    65,645.27/90,591.02 = 37,352.78/x
  3. Step 3: Cross multiply
    65,645.27x = 90,591.02 × 37,352.78
  4. Step 4: Simplify right side
    65,645.27x = 3,383,826,440.04
  5. Step 5: Solve for x
    x = 3,383,826,440.04/65,645.27
  6. Step 6: Final answer
    x = 51,547.15

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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.