Home / 52,389.45-72,299.07-28,517.73

Finding the Fourth Proportional to 52,389.45, 72,299.07 and 28,517.73

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Solution

The fourth proportional to 52,389.45, 72,299.07 and 28,517.73 is: 39,355.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,389.45 : 72,299.07 = 28,517.73 : x
  2. Step 2: Convert to fraction form
    52,389.45/72,299.07 = 28,517.73/x
  3. Step 3: Cross multiply
    52,389.45x = 72,299.07 × 28,517.73
  4. Step 4: Simplify right side
    52,389.45x = 2,061,805,357.51
  5. Step 5: Solve for x
    x = 2,061,805,357.51/52,389.45
  6. Step 6: Final answer
    x = 39,355.35

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1.5x scale

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.