Home / 44,105.77-66,148.68-20,400.31

Finding the Fourth Proportional to 44,105.77, 66,148.68 and 20,400.31

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Solution

The fourth proportional to 44,105.77, 66,148.68 and 20,400.31 is: 30,595.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,105.77 : 66,148.68 = 20,400.31 : x
  2. Step 2: Convert to fraction form
    44,105.77/66,148.68 = 20,400.31/x
  3. Step 3: Cross multiply
    44,105.77x = 66,148.68 × 20,400.31
  4. Step 4: Simplify right side
    44,105.77x = 1,349,453,737.28
  5. Step 5: Solve for x
    x = 1,349,453,737.28/44,105.77
  6. Step 6: Final answer
    x = 30,595.85

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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.