Home / 31,990.59-44,155.80-18,566.16

Finding the Fourth Proportional to 31,990.59, 44,155.80 and 18,566.16

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Solution

The fourth proportional to 31,990.59, 44,155.80 and 18,566.16 is: 25,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,990.59 : 44,155.80 = 18,566.16 : x
  2. Step 2: Convert to fraction form
    31,990.59/44,155.80 = 18,566.16/x
  3. Step 3: Cross multiply
    31,990.59x = 44,155.80 × 18,566.16
  4. Step 4: Simplify right side
    31,990.59x = 819,803,647.73
  5. Step 5: Solve for x
    x = 819,803,647.73/31,990.59
  6. Step 6: Final answer
    x = 25,626.40

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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.