Home / 45,889.28-68,820.70-12,610.42

Finding the Fourth Proportional to 45,889.28, 68,820.70 and 12,610.42

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Solution

The fourth proportional to 45,889.28, 68,820.70 and 12,610.42 is: 18,912.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,889.28 : 68,820.70 = 12,610.42 : x
  2. Step 2: Convert to fraction form
    45,889.28/68,820.70 = 12,610.42/x
  3. Step 3: Cross multiply
    45,889.28x = 68,820.70 × 12,610.42
  4. Step 4: Simplify right side
    45,889.28x = 867,857,931.69
  5. Step 5: Solve for x
    x = 867,857,931.69/45,889.28
  6. Step 6: Final answer
    x = 18,912.00

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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.