Home / 32,760.98-45,195.93-20,817.91

Finding the Fourth Proportional to 32,760.98, 45,195.93 and 20,817.91

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Solution

The fourth proportional to 32,760.98, 45,195.93 and 20,817.91 is: 28,719.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,760.98 : 45,195.93 = 20,817.91 : x
  2. Step 2: Convert to fraction form
    32,760.98/45,195.93 = 20,817.91/x
  3. Step 3: Cross multiply
    32,760.98x = 45,195.93 × 20,817.91
  4. Step 4: Simplify right side
    32,760.98x = 940,884,803.11
  5. Step 5: Solve for x
    x = 940,884,803.11/32,760.98
  6. Step 6: Final answer
    x = 28,719.68

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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.