Home / 32,871.04-45,335.52-20,930.56

Finding the Fourth Proportional to 32,871.04, 45,335.52 and 20,930.56

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Solution

The fourth proportional to 32,871.04, 45,335.52 and 20,930.56 is: 28,867.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,871.04 : 45,335.52 = 20,930.56 : x
  2. Step 2: Convert to fraction form
    32,871.04/45,335.52 = 20,930.56/x
  3. Step 3: Cross multiply
    32,871.04x = 45,335.52 × 20,930.56
  4. Step 4: Simplify right side
    32,871.04x = 948,897,821.49
  5. Step 5: Solve for x
    x = 948,897,821.49/32,871.04
  6. Step 6: Final answer
    x = 28,867.29

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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.