Home / 59,638.80-82,309.32-38,479.62

Finding the Fourth Proportional to 59,638.80, 82,309.32 and 38,479.62

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Solution

The fourth proportional to 59,638.80, 82,309.32 and 38,479.62 is: 53,106.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,638.80 : 82,309.32 = 38,479.62 : x
  2. Step 2: Convert to fraction form
    59,638.80/82,309.32 = 38,479.62/x
  3. Step 3: Cross multiply
    59,638.80x = 82,309.32 × 38,479.62
  4. Step 4: Simplify right side
    59,638.80x = 3,167,231,356.06
  5. Step 5: Solve for x
    x = 3,167,231,356.06/59,638.80
  6. Step 6: Final answer
    x = 53,106.89

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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.