Home / 48,478.08-72,716.96-15,646.08

Finding the Fourth Proportional to 48,478.08, 72,716.96 and 15,646.08

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Solution

The fourth proportional to 48,478.08, 72,716.96 and 15,646.08 is: 23,469.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,478.08 : 72,716.96 = 15,646.08 : x
  2. Step 2: Convert to fraction form
    48,478.08/72,716.96 = 15,646.08/x
  3. Step 3: Cross multiply
    48,478.08x = 72,716.96 × 15,646.08
  4. Step 4: Simplify right side
    48,478.08x = 1,137,735,373.52
  5. Step 5: Solve for x
    x = 1,137,735,373.52/48,478.08
  6. Step 6: Final answer
    x = 23,469.07

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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.