Home / 45,350.28-68,030.46-12,071.61

Finding the Fourth Proportional to 45,350.28, 68,030.46 and 12,071.61

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Solution

The fourth proportional to 45,350.28, 68,030.46 and 12,071.61 is: 18,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,350.28 : 68,030.46 = 12,071.61 : x
  2. Step 2: Convert to fraction form
    45,350.28/68,030.46 = 12,071.61/x
  3. Step 3: Cross multiply
    45,350.28x = 68,030.46 × 12,071.61
  4. Step 4: Simplify right side
    45,350.28x = 821,237,181.24
  5. Step 5: Solve for x
    x = 821,237,181.24/45,350.28
  6. Step 6: Final answer
    x = 18,108.76

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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.