Home / 53,306.70-79,938.45-18,228.30

Finding the Fourth Proportional to 53,306.70, 79,938.45 and 18,228.30

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Solution

The fourth proportional to 53,306.70, 79,938.45 and 18,228.30 is: 27,335.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,306.70 : 79,938.45 = 18,228.30 : x
  2. Step 2: Convert to fraction form
    53,306.70/79,938.45 = 18,228.30/x
  3. Step 3: Cross multiply
    53,306.70x = 79,938.45 × 18,228.30
  4. Step 4: Simplify right side
    53,306.70x = 1,457,142,048.14
  5. Step 5: Solve for x
    x = 1,457,142,048.14/53,306.70
  6. Step 6: Final answer
    x = 27,335.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.