Home / 34,186.40-51,247.20-30,687.20

Finding the Fourth Proportional to 34,186.40, 51,247.20 and 30,687.20

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Solution

The fourth proportional to 34,186.40, 51,247.20 and 30,687.20 is: 46,001.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,186.40 : 51,247.20 = 30,687.20 : x
  2. Step 2: Convert to fraction form
    34,186.40/51,247.20 = 30,687.20/x
  3. Step 3: Cross multiply
    34,186.40x = 51,247.20 × 30,687.20
  4. Step 4: Simplify right side
    34,186.40x = 1,572,633,075.84
  5. Step 5: Solve for x
    x = 1,572,633,075.84/34,186.40
  6. Step 6: Final answer
    x = 46,001.72

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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.