Home / 30,084.20-45,122.68-15,303.76

Finding the Fourth Proportional to 30,084.20, 45,122.68 and 15,303.76

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Solution

The fourth proportional to 30,084.20, 45,122.68 and 15,303.76 is: 22,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,084.20 : 45,122.68 = 15,303.76 : x
  2. Step 2: Convert to fraction form
    30,084.20/45,122.68 = 15,303.76/x
  3. Step 3: Cross multiply
    30,084.20x = 45,122.68 × 15,303.76
  4. Step 4: Simplify right side
    30,084.20x = 690,546,665.28
  5. Step 5: Solve for x
    x = 690,546,665.28/30,084.20
  6. Step 6: Final answer
    x = 22,953.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.