Home / 40,939.02-61,408.80-17,565.66

Finding the Fourth Proportional to 40,939.02, 61,408.80 and 17,565.66

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Solution

The fourth proportional to 40,939.02, 61,408.80 and 17,565.66 is: 26,348.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,939.02 : 61,408.80 = 17,565.66 : x
  2. Step 2: Convert to fraction form
    40,939.02/61,408.80 = 17,565.66/x
  3. Step 3: Cross multiply
    40,939.02x = 61,408.80 × 17,565.66
  4. Step 4: Simplify right side
    40,939.02x = 1,078,686,101.81
  5. Step 5: Solve for x
    x = 1,078,686,101.81/40,939.02
  6. Step 6: Final answer
    x = 26,348.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.