Home / 34,278.40-51,417.60-10,907.20

Finding the Fourth Proportional to 34,278.40, 51,417.60 and 10,907.20

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Solution

The fourth proportional to 34,278.40, 51,417.60 and 10,907.20 is: 16,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,278.40 : 51,417.60 = 10,907.20 : x
  2. Step 2: Convert to fraction form
    34,278.40/51,417.60 = 10,907.20/x
  3. Step 3: Cross multiply
    34,278.40x = 51,417.60 × 10,907.20
  4. Step 4: Simplify right side
    34,278.40x = 560,822,046.72
  5. Step 5: Solve for x
    x = 560,822,046.72/34,278.40
  6. Step 6: Final answer
    x = 16,360.80

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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.