Home / 48,389.36-72,610.40-18,808.32

Finding the Fourth Proportional to 48,389.36, 72,610.40 and 18,808.32

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Solution

The fourth proportional to 48,389.36, 72,610.40 and 18,808.32 is: 28,222.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,389.36 : 72,610.40 = 18,808.32 : x
  2. Step 2: Convert to fraction form
    48,389.36/72,610.40 = 18,808.32/x
  3. Step 3: Cross multiply
    48,389.36x = 72,610.40 × 18,808.32
  4. Step 4: Simplify right side
    48,389.36x = 1,365,679,638.53
  5. Step 5: Solve for x
    x = 1,365,679,638.53/48,389.36
  6. Step 6: Final answer
    x = 28,222.73

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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.