Home / 44,438.40-66,645.45-18,145.80

Finding the Fourth Proportional to 44,438.40, 66,645.45 and 18,145.80

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Solution

The fourth proportional to 44,438.40, 66,645.45 and 18,145.80 is: 27,213.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,438.40 : 66,645.45 = 18,145.80 : x
  2. Step 2: Convert to fraction form
    44,438.40/66,645.45 = 18,145.80/x
  3. Step 3: Cross multiply
    44,438.40x = 66,645.45 × 18,145.80
  4. Step 4: Simplify right side
    44,438.40x = 1,209,335,006.61
  5. Step 5: Solve for x
    x = 1,209,335,006.61/44,438.40
  6. Step 6: Final answer
    x = 27,213.74

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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.