Home / 65,561.02-90,460.65-38,331.86

Finding the Fourth Proportional to 65,561.02, 90,460.65 and 38,331.86

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Solution

The fourth proportional to 65,561.02, 90,460.65 and 38,331.86 is: 52,890.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,561.02 : 90,460.65 = 38,331.86 : x
  2. Step 2: Convert to fraction form
    65,561.02/90,460.65 = 38,331.86/x
  3. Step 3: Cross multiply
    65,561.02x = 90,460.65 × 38,331.86
  4. Step 4: Simplify right side
    65,561.02x = 3,467,524,745.16
  5. Step 5: Solve for x
    x = 3,467,524,745.16/65,561.02
  6. Step 6: Final answer
    x = 52,890.04

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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.