Home / 34,319.70-51,479.55-12,132.90

Finding the Fourth Proportional to 34,319.70, 51,479.55 and 12,132.90

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Solution

The fourth proportional to 34,319.70, 51,479.55 and 12,132.90 is: 18,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,319.70 : 51,479.55 = 12,132.90 : x
  2. Step 2: Convert to fraction form
    34,319.70/51,479.55 = 12,132.90/x
  3. Step 3: Cross multiply
    34,319.70x = 51,479.55 × 12,132.90
  4. Step 4: Simplify right side
    34,319.70x = 624,596,232.20
  5. Step 5: Solve for x
    x = 624,596,232.20/34,319.70
  6. Step 6: Final answer
    x = 18,199.35

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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.