Home / 65,548.46-90,435.66-38,700.02

Finding the Fourth Proportional to 65,548.46, 90,435.66 and 38,700.02

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Solution

The fourth proportional to 65,548.46, 90,435.66 and 38,700.02 is: 53,393.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,548.46 : 90,435.66 = 38,700.02 : x
  2. Step 2: Convert to fraction form
    65,548.46/90,435.66 = 38,700.02/x
  3. Step 3: Cross multiply
    65,548.46x = 90,435.66 × 38,700.02
  4. Step 4: Simplify right side
    65,548.46x = 3,499,861,850.71
  5. Step 5: Solve for x
    x = 3,499,861,850.71/65,548.46
  6. Step 6: Final answer
    x = 53,393.50

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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.