Home / 44,301.40-66,471.30-20,915.80

Finding the Fourth Proportional to 44,301.40, 66,471.30 and 20,915.80

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Solution

The fourth proportional to 44,301.40, 66,471.30 and 20,915.80 is: 31,382.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,301.40 : 66,471.30 = 20,915.80 : x
  2. Step 2: Convert to fraction form
    44,301.40/66,471.30 = 20,915.80/x
  3. Step 3: Cross multiply
    44,301.40x = 66,471.30 × 20,915.80
  4. Step 4: Simplify right side
    44,301.40x = 1,390,300,416.54
  5. Step 5: Solve for x
    x = 1,390,300,416.54/44,301.40
  6. Step 6: Final answer
    x = 31,382.76

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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.