Home / 38,911.62-58,370.94-13,615.32

Finding the Fourth Proportional to 38,911.62, 58,370.94 and 13,615.32

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Solution

The fourth proportional to 38,911.62, 58,370.94 and 13,615.32 is: 20,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,911.62 : 58,370.94 = 13,615.32 : x
  2. Step 2: Convert to fraction form
    38,911.62/58,370.94 = 13,615.32/x
  3. Step 3: Cross multiply
    38,911.62x = 58,370.94 × 13,615.32
  4. Step 4: Simplify right side
    38,911.62x = 794,739,026.80
  5. Step 5: Solve for x
    x = 794,739,026.80/38,911.62
  6. Step 6: Final answer
    x = 20,424.21

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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.