Home / 43,117.38-64,634.06-20,622.20

Finding the Fourth Proportional to 43,117.38, 64,634.06 and 20,622.20

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Solution

The fourth proportional to 43,117.38, 64,634.06 and 20,622.20 is: 30,913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,117.38 : 64,634.06 = 20,622.20 : x
  2. Step 2: Convert to fraction form
    43,117.38/64,634.06 = 20,622.20/x
  3. Step 3: Cross multiply
    43,117.38x = 64,634.06 × 20,622.20
  4. Step 4: Simplify right side
    43,117.38x = 1,332,896,512.13
  5. Step 5: Solve for x
    x = 1,332,896,512.13/43,117.38
  6. Step 6: Final answer
    x = 30,913.21

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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.