Home / 34,320.04-51,484.22-12,128.88

Finding the Fourth Proportional to 34,320.04, 51,484.22 and 12,128.88

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Solution

The fourth proportional to 34,320.04, 51,484.22 and 12,128.88 is: 18,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,320.04 : 51,484.22 = 12,128.88 : x
  2. Step 2: Convert to fraction form
    34,320.04/51,484.22 = 12,128.88/x
  3. Step 3: Cross multiply
    34,320.04x = 51,484.22 × 12,128.88
  4. Step 4: Simplify right side
    34,320.04x = 624,445,926.27
  5. Step 5: Solve for x
    x = 624,445,926.27/34,320.04
  6. Step 6: Final answer
    x = 18,194.79

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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.