Home / 48,599.20-72,896.64-13,538.08

Finding the Fourth Proportional to 48,599.20, 72,896.64 and 13,538.08

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Solution

The fourth proportional to 48,599.20, 72,896.64 and 13,538.08 is: 20,306.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,599.20 : 72,896.64 = 13,538.08 : x
  2. Step 2: Convert to fraction form
    48,599.20/72,896.64 = 13,538.08/x
  3. Step 3: Cross multiply
    48,599.20x = 72,896.64 × 13,538.08
  4. Step 4: Simplify right side
    48,599.20x = 986,880,544.05
  5. Step 5: Solve for x
    x = 986,880,544.05/48,599.20
  6. Step 6: Final answer
    x = 20,306.52

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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.