Home / 48,389.32-72,588.57-18,809.44

Finding the Fourth Proportional to 48,389.32, 72,588.57 and 18,809.44

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Solution

The fourth proportional to 48,389.32, 72,588.57 and 18,809.44 is: 28,215.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,389.32 : 72,588.57 = 18,809.44 : x
  2. Step 2: Convert to fraction form
    48,389.32/72,588.57 = 18,809.44/x
  3. Step 3: Cross multiply
    48,389.32x = 72,588.57 × 18,809.44
  4. Step 4: Simplify right side
    48,389.32x = 1,365,350,352.10
  5. Step 5: Solve for x
    x = 1,365,350,352.10/48,389.32
  6. Step 6: Final answer
    x = 28,215.94

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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.