Home / 43,619.28-60,228.09-31,711.08

Finding the Fourth Proportional to 43,619.28, 60,228.09 and 31,711.08

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Solution

The fourth proportional to 43,619.28, 60,228.09 and 31,711.08 is: 43,785.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,619.28 : 60,228.09 = 31,711.08 : x
  2. Step 2: Convert to fraction form
    43,619.28/60,228.09 = 31,711.08/x
  3. Step 3: Cross multiply
    43,619.28x = 60,228.09 × 31,711.08
  4. Step 4: Simplify right side
    43,619.28x = 1,909,897,780.24
  5. Step 5: Solve for x
    x = 1,909,897,780.24/43,619.28
  6. Step 6: Final answer
    x = 43,785.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.