Home / 39,117.08-58,676.60-12,462.63

Finding the Fourth Proportional to 39,117.08, 58,676.60 and 12,462.63

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Solution

The fourth proportional to 39,117.08, 58,676.60 and 12,462.63 is: 18,694.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,117.08 : 58,676.60 = 12,462.63 : x
  2. Step 2: Convert to fraction form
    39,117.08/58,676.60 = 12,462.63/x
  3. Step 3: Cross multiply
    39,117.08x = 58,676.60 × 12,462.63
  4. Step 4: Simplify right side
    39,117.08x = 731,265,061.66
  5. Step 5: Solve for x
    x = 731,265,061.66/39,117.08
  6. Step 6: Final answer
    x = 18,694.27

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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.