Home / 53,180.19-79,774.74-13,738.05

Finding the Fourth Proportional to 53,180.19, 79,774.74 and 13,738.05

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Solution

The fourth proportional to 53,180.19, 79,774.74 and 13,738.05 is: 20,608.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,180.19 : 79,774.74 = 13,738.05 : x
  2. Step 2: Convert to fraction form
    53,180.19/79,774.74 = 13,738.05/x
  3. Step 3: Cross multiply
    53,180.19x = 79,774.74 × 13,738.05
  4. Step 4: Simplify right side
    53,180.19x = 1,095,949,366.86
  5. Step 5: Solve for x
    x = 1,095,949,366.86/53,180.19
  6. Step 6: Final answer
    x = 20,608.23

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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.