Home / 31,990.52-44,146.95-18,564.50

Finding the Fourth Proportional to 31,990.52, 44,146.95 and 18,564.50

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Solution

The fourth proportional to 31,990.52, 44,146.95 and 18,564.50 is: 25,619.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,990.52 : 44,146.95 = 18,564.50 : x
  2. Step 2: Convert to fraction form
    31,990.52/44,146.95 = 18,564.50/x
  3. Step 3: Cross multiply
    31,990.52x = 44,146.95 × 18,564.50
  4. Step 4: Simplify right side
    31,990.52x = 819,566,053.28
  5. Step 5: Solve for x
    x = 819,566,053.28/31,990.52
  6. Step 6: Final answer
    x = 25,619.03

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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.