Home / 48,386.32-72,584.08-18,806.44

Finding the Fourth Proportional to 48,386.32, 72,584.08 and 18,806.44

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Solution

The fourth proportional to 48,386.32, 72,584.08 and 18,806.44 is: 28,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,386.32 : 72,584.08 = 18,806.44 : x
  2. Step 2: Convert to fraction form
    48,386.32/72,584.08 = 18,806.44/x
  3. Step 3: Cross multiply
    48,386.32x = 72,584.08 × 18,806.44
  4. Step 4: Simplify right side
    48,386.32x = 1,365,048,145.48
  5. Step 5: Solve for x
    x = 1,365,048,145.48/48,386.32
  6. Step 6: Final answer
    x = 28,211.45

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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.