Home / 32,709.28-45,357.10-31,601.20

Finding the Fourth Proportional to 32,709.28, 45,357.10 and 31,601.20

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Solution

The fourth proportional to 32,709.28, 45,357.10 and 31,601.20 is: 43,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,709.28 : 45,357.10 = 31,601.20 : x
  2. Step 2: Convert to fraction form
    32,709.28/45,357.10 = 31,601.20/x
  3. Step 3: Cross multiply
    32,709.28x = 45,357.10 × 31,601.20
  4. Step 4: Simplify right side
    32,709.28x = 1,433,338,788.52
  5. Step 5: Solve for x
    x = 1,433,338,788.52/32,709.28
  6. Step 6: Final answer
    x = 43,820.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.