Home / 57,753.18-79,698.78-33,875.28

Finding the Fourth Proportional to 57,753.18, 79,698.78 and 33,875.28

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Solution

The fourth proportional to 57,753.18, 79,698.78 and 33,875.28 is: 46,747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,753.18 : 79,698.78 = 33,875.28 : x
  2. Step 2: Convert to fraction form
    57,753.18/79,698.78 = 33,875.28/x
  3. Step 3: Cross multiply
    57,753.18x = 79,698.78 × 33,875.28
  4. Step 4: Simplify right side
    57,753.18x = 2,699,818,488.16
  5. Step 5: Solve for x
    x = 2,699,818,488.16/57,753.18
  6. Step 6: Final answer
    x = 46,747.53

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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.