Home / 39,562.12-59,315.18-18,479.80

Finding the Fourth Proportional to 39,562.12, 59,315.18 and 18,479.80

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Solution

The fourth proportional to 39,562.12, 59,315.18 and 18,479.80 is: 27,706.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,562.12 : 59,315.18 = 18,479.80 : x
  2. Step 2: Convert to fraction form
    39,562.12/59,315.18 = 18,479.80/x
  3. Step 3: Cross multiply
    39,562.12x = 59,315.18 × 18,479.80
  4. Step 4: Simplify right side
    39,562.12x = 1,096,132,663.36
  5. Step 5: Solve for x
    x = 1,096,132,663.36/39,562.12
  6. Step 6: Final answer
    x = 27,706.62

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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.