Home / 32,927.76-45,440.19-18,780.57

Finding the Fourth Proportional to 32,927.76, 45,440.19 and 18,780.57

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Solution

The fourth proportional to 32,927.76, 45,440.19 and 18,780.57 is: 25,917.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,927.76 : 45,440.19 = 18,780.57 : x
  2. Step 2: Convert to fraction form
    32,927.76/45,440.19 = 18,780.57/x
  3. Step 3: Cross multiply
    32,927.76x = 45,440.19 × 18,780.57
  4. Step 4: Simplify right side
    32,927.76x = 853,392,669.11
  5. Step 5: Solve for x
    x = 853,392,669.11/32,927.76
  6. Step 6: Final answer
    x = 25,917.12

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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.