Home / 31,250.03-43,080.20-22,281.98

Finding the Fourth Proportional to 31,250.03, 43,080.20 and 22,281.98

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Solution

The fourth proportional to 31,250.03, 43,080.20 and 22,281.98 is: 30,717.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,250.03 : 43,080.20 = 22,281.98 : x
  2. Step 2: Convert to fraction form
    31,250.03/43,080.20 = 22,281.98/x
  3. Step 3: Cross multiply
    31,250.03x = 43,080.20 × 22,281.98
  4. Step 4: Simplify right side
    31,250.03x = 959,911,827.99
  5. Step 5: Solve for x
    x = 959,911,827.99/31,250.03
  6. Step 6: Final answer
    x = 30,717.15

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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.