Home / 40,042.13-55,258.07-22,136.67

Finding the Fourth Proportional to 40,042.13, 55,258.07 and 22,136.67

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Solution

The fourth proportional to 40,042.13, 55,258.07 and 22,136.67 is: 30,548.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,042.13 : 55,258.07 = 22,136.67 : x
  2. Step 2: Convert to fraction form
    40,042.13/55,258.07 = 22,136.67/x
  3. Step 3: Cross multiply
    40,042.13x = 55,258.07 × 22,136.67
  4. Step 4: Simplify right side
    40,042.13x = 1,223,229,549.74
  5. Step 5: Solve for x
    x = 1,223,229,549.74/40,042.13
  6. Step 6: Final answer
    x = 30,548.57

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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.