Home / 48,072.65-72,103.23-13,015.04

Finding the Fourth Proportional to 48,072.65, 72,103.23 and 13,015.04

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Solution

The fourth proportional to 48,072.65, 72,103.23 and 13,015.04 is: 19,521.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,072.65 : 72,103.23 = 13,015.04 : x
  2. Step 2: Convert to fraction form
    48,072.65/72,103.23 = 13,015.04/x
  3. Step 3: Cross multiply
    48,072.65x = 72,103.23 × 13,015.04
  4. Step 4: Simplify right side
    48,072.65x = 938,426,062.06
  5. Step 5: Solve for x
    x = 938,426,062.06/48,072.65
  6. Step 6: Final answer
    x = 19,521.00

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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.