Home / 38,371.59-57,571.16-13,418.51

Finding the Fourth Proportional to 38,371.59, 57,571.16 and 13,418.51

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Solution

The fourth proportional to 38,371.59, 57,571.16 and 13,418.51 is: 20,132.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,371.59 : 57,571.16 = 13,418.51 : x
  2. Step 2: Convert to fraction form
    38,371.59/57,571.16 = 13,418.51/x
  3. Step 3: Cross multiply
    38,371.59x = 57,571.16 × 13,418.51
  4. Step 4: Simplify right side
    38,371.59x = 772,518,831.22
  5. Step 5: Solve for x
    x = 772,518,831.22/38,371.59
  6. Step 6: Final answer
    x = 20,132.57

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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.