Home / 40,402.63-55,755.09-22,253.00

Finding the Fourth Proportional to 40,402.63, 55,755.09 and 22,253.00

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Solution

The fourth proportional to 40,402.63, 55,755.09 and 22,253.00 is: 30,708.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,402.63 : 55,755.09 = 22,253.00 : x
  2. Step 2: Convert to fraction form
    40,402.63/55,755.09 = 22,253.00/x
  3. Step 3: Cross multiply
    40,402.63x = 55,755.09 × 22,253.00
  4. Step 4: Simplify right side
    40,402.63x = 1,240,718,240.61
  5. Step 5: Solve for x
    x = 1,240,718,240.61/40,402.63
  6. Step 6: Final answer
    x = 30,708.85

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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.