Home / 32,275.98-44,540.87-18,128.81

Finding the Fourth Proportional to 32,275.98, 44,540.87 and 18,128.81

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Solution

The fourth proportional to 32,275.98, 44,540.87 and 18,128.81 is: 25,017.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,275.98 : 44,540.87 = 18,128.81 : x
  2. Step 2: Convert to fraction form
    32,275.98/44,540.87 = 18,128.81/x
  3. Step 3: Cross multiply
    32,275.98x = 44,540.87 × 18,128.81
  4. Step 4: Simplify right side
    32,275.98x = 807,472,990.17
  5. Step 5: Solve for x
    x = 807,472,990.17/32,275.98
  6. Step 6: Final answer
    x = 25,017.77

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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.