Home / 55,418.02-83,126.46-13,865.02

Finding the Fourth Proportional to 55,418.02, 83,126.46 and 13,865.02

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Solution

The fourth proportional to 55,418.02, 83,126.46 and 13,865.02 is: 20,797.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,418.02 : 83,126.46 = 13,865.02 : x
  2. Step 2: Convert to fraction form
    55,418.02/83,126.46 = 13,865.02/x
  3. Step 3: Cross multiply
    55,418.02x = 83,126.46 × 13,865.02
  4. Step 4: Simplify right side
    55,418.02x = 1,152,550,030.43
  5. Step 5: Solve for x
    x = 1,152,550,030.43/55,418.02
  6. Step 6: Final answer
    x = 20,797.39

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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.