Home / 34,487.10-51,730.65-12,301.20

Finding the Fourth Proportional to 34,487.10, 51,730.65 and 12,301.20

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Solution

The fourth proportional to 34,487.10, 51,730.65 and 12,301.20 is: 18,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,487.10 : 51,730.65 = 12,301.20 : x
  2. Step 2: Convert to fraction form
    34,487.10/51,730.65 = 12,301.20/x
  3. Step 3: Cross multiply
    34,487.10x = 51,730.65 × 12,301.20
  4. Step 4: Simplify right side
    34,487.10x = 636,349,071.78
  5. Step 5: Solve for x
    x = 636,349,071.78/34,487.10
  6. Step 6: Final answer
    x = 18,451.80

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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.