Home / 48,388.32-72,587.08-18,808.44

Finding the Fourth Proportional to 48,388.32, 72,587.08 and 18,808.44

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Solution

The fourth proportional to 48,388.32, 72,587.08 and 18,808.44 is: 28,214.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,388.32 : 72,587.08 = 18,808.44 : x
  2. Step 2: Convert to fraction form
    48,388.32/72,587.08 = 18,808.44/x
  3. Step 3: Cross multiply
    48,388.32x = 72,587.08 × 18,808.44
  4. Step 4: Simplify right side
    48,388.32x = 1,365,249,738.96
  5. Step 5: Solve for x
    x = 1,365,249,738.96/48,388.32
  6. Step 6: Final answer
    x = 28,214.45

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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.