Home / 32,778.02-45,217.29-20,693.48

Finding the Fourth Proportional to 32,778.02, 45,217.29 and 20,693.48

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Solution

The fourth proportional to 32,778.02, 45,217.29 and 20,693.48 is: 28,546.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,778.02 : 45,217.29 = 20,693.48 : x
  2. Step 2: Convert to fraction form
    32,778.02/45,217.29 = 20,693.48/x
  3. Step 3: Cross multiply
    32,778.02x = 45,217.29 × 20,693.48
  4. Step 4: Simplify right side
    32,778.02x = 935,702,821.38
  5. Step 5: Solve for x
    x = 935,702,821.38/32,778.02
  6. Step 6: Final answer
    x = 28,546.66

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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.