Home / 86,628.60-129,844.26-36,677.52

Finding the Fourth Proportional to 86,628.60, 129,844.26 and 36,677.52

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Solution

The fourth proportional to 86,628.60, 129,844.26 and 36,677.52 is: 54,974.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,628.60 : 129,844.26 = 36,677.52 : x
  2. Step 2: Convert to fraction form
    86,628.60/129,844.26 = 36,677.52/x
  3. Step 3: Cross multiply
    86,628.60x = 129,844.26 × 36,677.52
  4. Step 4: Simplify right side
    86,628.60x = 4,762,365,443.04
  5. Step 5: Solve for x
    x = 4,762,365,443.04/86,628.60
  6. Step 6: Final answer
    x = 54,974.52

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1.5x scale

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.