Home / 38,554.31-57,831.87-13,589.70

Finding the Fourth Proportional to 38,554.31, 57,831.87 and 13,589.70

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Solution

The fourth proportional to 38,554.31, 57,831.87 and 13,589.70 is: 20,384.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,554.31 : 57,831.87 = 13,589.70 : x
  2. Step 2: Convert to fraction form
    38,554.31/57,831.87 = 13,589.70/x
  3. Step 3: Cross multiply
    38,554.31x = 57,831.87 × 13,589.70
  4. Step 4: Simplify right side
    38,554.31x = 785,917,763.74
  5. Step 5: Solve for x
    x = 785,917,763.74/38,554.31
  6. Step 6: Final answer
    x = 20,384.69

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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.