Home / 48,639.78-72,969.42-15,362.94

Finding the Fourth Proportional to 48,639.78, 72,969.42 and 15,362.94

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Solution

The fourth proportional to 48,639.78, 72,969.42 and 15,362.94 is: 23,047.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,639.78 : 72,969.42 = 15,362.94 : x
  2. Step 2: Convert to fraction form
    48,639.78/72,969.42 = 15,362.94/x
  3. Step 3: Cross multiply
    48,639.78x = 72,969.42 × 15,362.94
  4. Step 4: Simplify right side
    48,639.78x = 1,121,024,821.29
  5. Step 5: Solve for x
    x = 1,121,024,821.29/48,639.78
  6. Step 6: Final answer
    x = 23,047.49

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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.