Home / 30,076.28-45,103.80-10,350.16

Finding the Fourth Proportional to 30,076.28, 45,103.80 and 10,350.16

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Solution

The fourth proportional to 30,076.28, 45,103.80 and 10,350.16 is: 15,521.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,076.28 : 45,103.80 = 10,350.16 : x
  2. Step 2: Convert to fraction form
    30,076.28/45,103.80 = 10,350.16/x
  3. Step 3: Cross multiply
    30,076.28x = 45,103.80 × 10,350.16
  4. Step 4: Simplify right side
    30,076.28x = 466,831,546.61
  5. Step 5: Solve for x
    x = 466,831,546.61/30,076.28
  6. Step 6: Final answer
    x = 15,521.59

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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.