Home / 44,138.61-66,207.38-20,748.51

Finding the Fourth Proportional to 44,138.61, 66,207.38 and 20,748.51

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Solution

The fourth proportional to 44,138.61, 66,207.38 and 20,748.51 is: 31,122.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,138.61 : 66,207.38 = 20,748.51 : x
  2. Step 2: Convert to fraction form
    44,138.61/66,207.38 = 20,748.51/x
  3. Step 3: Cross multiply
    44,138.61x = 66,207.38 × 20,748.51
  4. Step 4: Simplify right side
    44,138.61x = 1,373,704,382.26
  5. Step 5: Solve for x
    x = 1,373,704,382.26/44,138.61
  6. Step 6: Final answer
    x = 31,122.51

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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.