Home / 32,930.76-45,444.33-18,783.57

Finding the Fourth Proportional to 32,930.76, 45,444.33 and 18,783.57

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Solution

The fourth proportional to 32,930.76, 45,444.33 and 18,783.57 is: 25,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,930.76 : 45,444.33 = 18,783.57 : x
  2. Step 2: Convert to fraction form
    32,930.76/45,444.33 = 18,783.57/x
  3. Step 3: Cross multiply
    32,930.76x = 45,444.33 × 18,783.57
  4. Step 4: Simplify right side
    32,930.76x = 853,606,753.66
  5. Step 5: Solve for x
    x = 853,606,753.66/32,930.76
  6. Step 6: Final answer
    x = 25,921.26

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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.