Home / 31,990.66-44,135.52-18,554.52

Finding the Fourth Proportional to 31,990.66, 44,135.52 and 18,554.52

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Solution

The fourth proportional to 31,990.66, 44,135.52 and 18,554.52 is: 25,598.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,990.66 : 44,135.52 = 18,554.52 : x
  2. Step 2: Convert to fraction form
    31,990.66/44,135.52 = 18,554.52/x
  3. Step 3: Cross multiply
    31,990.66x = 44,135.52 × 18,554.52
  4. Step 4: Simplify right side
    31,990.66x = 818,913,388.55
  5. Step 5: Solve for x
    x = 818,913,388.55/31,990.66
  6. Step 6: Final answer
    x = 25,598.51

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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.