Home / 34,310.40-51,465.60-12,148.80

Finding the Fourth Proportional to 34,310.40, 51,465.60 and 12,148.80

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Solution

The fourth proportional to 34,310.40, 51,465.60 and 12,148.80 is: 18,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,310.40 : 51,465.60 = 12,148.80 : x
  2. Step 2: Convert to fraction form
    34,310.40/51,465.60 = 12,148.80/x
  3. Step 3: Cross multiply
    34,310.40x = 51,465.60 × 12,148.80
  4. Step 4: Simplify right side
    34,310.40x = 625,245,281.28
  5. Step 5: Solve for x
    x = 625,245,281.28/34,310.40
  6. Step 6: Final answer
    x = 18,223.20

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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.