Home / 38,711.75-58,029.32-18,684.29

Finding the Fourth Proportional to 38,711.75, 58,029.32 and 18,684.29

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Solution

The fourth proportional to 38,711.75, 58,029.32 and 18,684.29 is: 28,007.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,711.75 : 58,029.32 = 18,684.29 : x
  2. Step 2: Convert to fraction form
    38,711.75/58,029.32 = 18,684.29/x
  3. Step 3: Cross multiply
    38,711.75x = 58,029.32 × 18,684.29
  4. Step 4: Simplify right side
    38,711.75x = 1,084,236,259.81
  5. Step 5: Solve for x
    x = 1,084,236,259.81/38,711.75
  6. Step 6: Final answer
    x = 28,007.94

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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.