Home / 35,454.20-53,177.70-12,080.30

Finding the Fourth Proportional to 35,454.20, 53,177.70 and 12,080.30

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Solution

The fourth proportional to 35,454.20, 53,177.70 and 12,080.30 is: 18,119.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,454.20 : 53,177.70 = 12,080.30 : x
  2. Step 2: Convert to fraction form
    35,454.20/53,177.70 = 12,080.30/x
  3. Step 3: Cross multiply
    35,454.20x = 53,177.70 × 12,080.30
  4. Step 4: Simplify right side
    35,454.20x = 642,402,569.31
  5. Step 5: Solve for x
    x = 642,402,569.31/35,454.20
  6. Step 6: Final answer
    x = 18,119.22

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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.