Home / 32,912.20-45,408.54-20,152.18

Finding the Fourth Proportional to 32,912.20, 45,408.54 and 20,152.18

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Solution

The fourth proportional to 32,912.20, 45,408.54 and 20,152.18 is: 27,803.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,912.20 : 45,408.54 = 20,152.18 : x
  2. Step 2: Convert to fraction form
    32,912.20/45,408.54 = 20,152.18/x
  3. Step 3: Cross multiply
    32,912.20x = 45,408.54 × 20,152.18
  4. Step 4: Simplify right side
    32,912.20x = 915,081,071.62
  5. Step 5: Solve for x
    x = 915,081,071.62/32,912.20
  6. Step 6: Final answer
    x = 27,803.70

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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.