Home / 31,988.96-44,143.74-17,648.78

Finding the Fourth Proportional to 31,988.96, 44,143.74 and 17,648.78

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Solution

The fourth proportional to 31,988.96, 44,143.74 and 17,648.78 is: 24,354.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,988.96 : 44,143.74 = 17,648.78 : x
  2. Step 2: Convert to fraction form
    31,988.96/44,143.74 = 17,648.78/x
  3. Step 3: Cross multiply
    31,988.96x = 44,143.74 × 17,648.78
  4. Step 4: Simplify right side
    31,988.96x = 779,083,155.64
  5. Step 5: Solve for x
    x = 779,083,155.64/31,988.96
  6. Step 6: Final answer
    x = 24,354.75

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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.