Home / 38,971.60-58,422.32-14,005.78

Finding the Fourth Proportional to 38,971.60, 58,422.32 and 14,005.78

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Solution

The fourth proportional to 38,971.60, 58,422.32 and 14,005.78 is: 20,996.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,971.60 : 58,422.32 = 14,005.78 : x
  2. Step 2: Convert to fraction form
    38,971.60/58,422.32 = 14,005.78/x
  3. Step 3: Cross multiply
    38,971.60x = 58,422.32 × 14,005.78
  4. Step 4: Simplify right side
    38,971.60x = 818,250,161.01
  5. Step 5: Solve for x
    x = 818,250,161.01/38,971.60
  6. Step 6: Final answer
    x = 20,996.06

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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.