Home / 34,195.20-51,292.80-30,278.40

Finding the Fourth Proportional to 34,195.20, 51,292.80 and 30,278.40

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Solution

The fourth proportional to 34,195.20, 51,292.80 and 30,278.40 is: 45,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,195.20 : 51,292.80 = 30,278.40 : x
  2. Step 2: Convert to fraction form
    34,195.20/51,292.80 = 30,278.40/x
  3. Step 3: Cross multiply
    34,195.20x = 51,292.80 × 30,278.40
  4. Step 4: Simplify right side
    34,195.20x = 1,553,063,915.52
  5. Step 5: Solve for x
    x = 1,553,063,915.52/34,195.20
  6. Step 6: Final answer
    x = 45,417.60

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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.