Home / 38,679.90-53,381.67-22,769.34

Finding the Fourth Proportional to 38,679.90, 53,381.67 and 22,769.34

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Solution

The fourth proportional to 38,679.90, 53,381.67 and 22,769.34 is: 31,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,679.90 : 53,381.67 = 22,769.34 : x
  2. Step 2: Convert to fraction form
    38,679.90/53,381.67 = 22,769.34/x
  3. Step 3: Cross multiply
    38,679.90x = 53,381.67 × 22,769.34
  4. Step 4: Simplify right side
    38,679.90x = 1,215,465,394.00
  5. Step 5: Solve for x
    x = 1,215,465,394.00/38,679.90
  6. Step 6: Final answer
    x = 31,423.70

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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.