Home / 31,000.06-42,779.90-17,573.86

Finding the Fourth Proportional to 31,000.06, 42,779.90 and 17,573.86

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Solution

The fourth proportional to 31,000.06, 42,779.90 and 17,573.86 is: 24,251.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,000.06 : 42,779.90 = 17,573.86 : x
  2. Step 2: Convert to fraction form
    31,000.06/42,779.90 = 17,573.86/x
  3. Step 3: Cross multiply
    31,000.06x = 42,779.90 × 17,573.86
  4. Step 4: Simplify right side
    31,000.06x = 751,807,973.41
  5. Step 5: Solve for x
    x = 751,807,973.41/31,000.06
  6. Step 6: Final answer
    x = 24,251.82

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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.