Home / 43,306.55-59,776.33-28,172.51

Finding the Fourth Proportional to 43,306.55, 59,776.33 and 28,172.51

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Solution

The fourth proportional to 43,306.55, 59,776.33 and 28,172.51 is: 38,886.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,306.55 : 59,776.33 = 28,172.51 : x
  2. Step 2: Convert to fraction form
    43,306.55/59,776.33 = 28,172.51/x
  3. Step 3: Cross multiply
    43,306.55x = 59,776.33 × 28,172.51
  4. Step 4: Simplify right side
    43,306.55x = 1,684,049,162.36
  5. Step 5: Solve for x
    x = 1,684,049,162.36/43,306.55
  6. Step 6: Final answer
    x = 38,886.71

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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.