Home / 36,718.47-50,671.36-20,805.95

Finding the Fourth Proportional to 36,718.47, 50,671.36 and 20,805.95

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Solution

The fourth proportional to 36,718.47, 50,671.36 and 20,805.95 is: 28,712.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,718.47 : 50,671.36 = 20,805.95 : x
  2. Step 2: Convert to fraction form
    36,718.47/50,671.36 = 20,805.95/x
  3. Step 3: Cross multiply
    36,718.47x = 50,671.36 × 20,805.95
  4. Step 4: Simplify right side
    36,718.47x = 1,054,265,782.59
  5. Step 5: Solve for x
    x = 1,054,265,782.59/36,718.47
  6. Step 6: Final answer
    x = 28,712.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.