Home / 31,000.37-42,779.61-17,572.86

Finding the Fourth Proportional to 31,000.37, 42,779.61 and 17,572.86

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Solution

The fourth proportional to 31,000.37, 42,779.61 and 17,572.86 is: 24,250.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,000.37 : 42,779.61 = 17,572.86 : x
  2. Step 2: Convert to fraction form
    31,000.37/42,779.61 = 17,572.86/x
  3. Step 3: Cross multiply
    31,000.37x = 42,779.61 × 17,572.86
  4. Step 4: Simplify right side
    31,000.37x = 751,760,097.38
  5. Step 5: Solve for x
    x = 751,760,097.38/31,000.37
  6. Step 6: Final answer
    x = 24,250.04

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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.