Home / 51,279.80-70,769.67-28,623.20

Finding the Fourth Proportional to 51,279.80, 70,769.67 and 28,623.20

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Solution

The fourth proportional to 51,279.80, 70,769.67 and 28,623.20 is: 39,502.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,279.80 : 70,769.67 = 28,623.20 : x
  2. Step 2: Convert to fraction form
    51,279.80/70,769.67 = 28,623.20/x
  3. Step 3: Cross multiply
    51,279.80x = 70,769.67 × 28,623.20
  4. Step 4: Simplify right side
    51,279.80x = 2,025,654,595.27
  5. Step 5: Solve for x
    x = 2,025,654,595.27/51,279.80
  6. Step 6: Final answer
    x = 39,502.00

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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.