Home / 31,977.62-44,128.51-17,638.79

Finding the Fourth Proportional to 31,977.62, 44,128.51 and 17,638.79

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Solution

The fourth proportional to 31,977.62, 44,128.51 and 17,638.79 is: 24,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,977.62 : 44,128.51 = 17,638.79 : x
  2. Step 2: Convert to fraction form
    31,977.62/44,128.51 = 17,638.79/x
  3. Step 3: Cross multiply
    31,977.62x = 44,128.51 × 17,638.79
  4. Step 4: Simplify right side
    31,977.62x = 778,373,587.13
  5. Step 5: Solve for x
    x = 778,373,587.13/31,977.62
  6. Step 6: Final answer
    x = 24,341.20

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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.