Home / 48,387.36-72,607.40-18,806.32

Finding the Fourth Proportional to 48,387.36, 72,607.40 and 18,806.32

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Solution

The fourth proportional to 48,387.36, 72,607.40 and 18,806.32 is: 28,219.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387.36 : 72,607.40 = 18,806.32 : x
  2. Step 2: Convert to fraction form
    48,387.36/72,607.40 = 18,806.32/x
  3. Step 3: Cross multiply
    48,387.36x = 72,607.40 × 18,806.32
  4. Step 4: Simplify right side
    48,387.36x = 1,365,477,998.77
  5. Step 5: Solve for x
    x = 1,365,477,998.77/48,387.36
  6. Step 6: Final answer
    x = 28,219.73

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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.