Home / 31,180.80-43,031.04-17,752.32

Finding the Fourth Proportional to 31,180.80, 43,031.04 and 17,752.32

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Solution

The fourth proportional to 31,180.80, 43,031.04 and 17,752.32 is: 24,499.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,180.80 : 43,031.04 = 17,752.32 : x
  2. Step 2: Convert to fraction form
    31,180.80/43,031.04 = 17,752.32/x
  3. Step 3: Cross multiply
    31,180.80x = 43,031.04 × 17,752.32
  4. Step 4: Simplify right side
    31,180.80x = 763,900,792.01
  5. Step 5: Solve for x
    x = 763,900,792.01/31,180.80
  6. Step 6: Final answer
    x = 24,499.08

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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.