Home / 31,693.75-43,739.60-17,547.50

Finding the Fourth Proportional to 31,693.75, 43,739.60 and 17,547.50

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Solution

The fourth proportional to 31,693.75, 43,739.60 and 17,547.50 is: 24,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,693.75 : 43,739.60 = 17,547.50 : x
  2. Step 2: Convert to fraction form
    31,693.75/43,739.60 = 17,547.50/x
  3. Step 3: Cross multiply
    31,693.75x = 43,739.60 × 17,547.50
  4. Step 4: Simplify right side
    31,693.75x = 767,520,652.61
  5. Step 5: Solve for x
    x = 767,520,652.61/31,693.75
  6. Step 6: Final answer
    x = 24,216.78

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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.