Home / 43,030.62-59,358.29-39,986.15

Finding the Fourth Proportional to 43,030.62, 59,358.29 and 39,986.15

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Solution

The fourth proportional to 43,030.62, 59,358.29 and 39,986.15 is: 55,158.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,030.62 : 59,358.29 = 39,986.15 : x
  2. Step 2: Convert to fraction form
    43,030.62/59,358.29 = 39,986.15/x
  3. Step 3: Cross multiply
    43,030.62x = 59,358.29 × 39,986.15
  4. Step 4: Simplify right side
    43,030.62x = 2,373,508,990.96
  5. Step 5: Solve for x
    x = 2,373,508,990.96/43,030.62
  6. Step 6: Final answer
    x = 55,158.61

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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.