Home / 48,349.12-72,554.40-20,647.36

Finding the Fourth Proportional to 48,349.12, 72,554.40 and 20,647.36

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Solution

The fourth proportional to 48,349.12, 72,554.40 and 20,647.36 is: 30,984.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,349.12 : 72,554.40 = 20,647.36 : x
  2. Step 2: Convert to fraction form
    48,349.12/72,554.40 = 20,647.36/x
  3. Step 3: Cross multiply
    48,349.12x = 72,554.40 × 20,647.36
  4. Step 4: Simplify right side
    48,349.12x = 1,498,056,816.38
  5. Step 5: Solve for x
    x = 1,498,056,816.38/48,349.12
  6. Step 6: Final answer
    x = 30,984.16

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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.