Home / 52,080.36-71,870.54-28,206.49

Finding the Fourth Proportional to 52,080.36, 71,870.54 and 28,206.49

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Solution

The fourth proportional to 52,080.36, 71,870.54 and 28,206.49 is: 38,924.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,080.36 : 71,870.54 = 28,206.49 : x
  2. Step 2: Convert to fraction form
    52,080.36/71,870.54 = 28,206.49/x
  3. Step 3: Cross multiply
    52,080.36x = 71,870.54 × 28,206.49
  4. Step 4: Simplify right side
    52,080.36x = 2,027,215,667.80
  5. Step 5: Solve for x
    x = 2,027,215,667.80/52,080.36
  6. Step 6: Final answer
    x = 38,924.76

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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.