Home / 40,518.74-55,913.59-22,614.90

Finding the Fourth Proportional to 40,518.74, 55,913.59 and 22,614.90

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Solution

The fourth proportional to 40,518.74, 55,913.59 and 22,614.90 is: 31,207.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,518.74 : 55,913.59 = 22,614.90 : x
  2. Step 2: Convert to fraction form
    40,518.74/55,913.59 = 22,614.90/x
  3. Step 3: Cross multiply
    40,518.74x = 55,913.59 × 22,614.90
  4. Step 4: Simplify right side
    40,518.74x = 1,264,480,315.99
  5. Step 5: Solve for x
    x = 1,264,480,315.99/40,518.74
  6. Step 6: Final answer
    x = 31,207.29

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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.