Home / 36,212.76-54,071.40-32,440.20

Finding the Fourth Proportional to 36,212.76, 54,071.40 and 32,440.20

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Solution

The fourth proportional to 36,212.76, 54,071.40 and 32,440.20 is: 48,438.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,212.76 : 54,071.40 = 32,440.20 : x
  2. Step 2: Convert to fraction form
    36,212.76/54,071.40 = 32,440.20/x
  3. Step 3: Cross multiply
    36,212.76x = 54,071.40 × 32,440.20
  4. Step 4: Simplify right side
    36,212.76x = 1,754,087,030.28
  5. Step 5: Solve for x
    x = 1,754,087,030.28/36,212.76
  6. Step 6: Final answer
    x = 48,438.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.