Home / 40,044.32-55,256.64-22,134.80

Finding the Fourth Proportional to 40,044.32, 55,256.64 and 22,134.80

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Solution

The fourth proportional to 40,044.32, 55,256.64 and 22,134.80 is: 30,543.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,044.32 : 55,256.64 = 22,134.80 : x
  2. Step 2: Convert to fraction form
    40,044.32/55,256.64 = 22,134.80/x
  3. Step 3: Cross multiply
    40,044.32x = 55,256.64 × 22,134.80
  4. Step 4: Simplify right side
    40,044.32x = 1,223,094,675.07
  5. Step 5: Solve for x
    x = 1,223,094,675.07/40,044.32
  6. Step 6: Final answer
    x = 30,543.52

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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.