Home / 36,031.80-54,047.70-9,739.20

Finding the Fourth Proportional to 36,031.80, 54,047.70 and 9,739.20

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Solution

The fourth proportional to 36,031.80, 54,047.70 and 9,739.20 is: 14,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,031.80 : 54,047.70 = 9,739.20 : x
  2. Step 2: Convert to fraction form
    36,031.80/54,047.70 = 9,739.20/x
  3. Step 3: Cross multiply
    36,031.80x = 54,047.70 × 9,739.20
  4. Step 4: Simplify right side
    36,031.80x = 526,381,359.84
  5. Step 5: Solve for x
    x = 526,381,359.84/36,031.80
  6. Step 6: Final answer
    x = 14,608.80

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1.5x scale

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.