Home / 48,278.16-72,432.12-21,646.58

Finding the Fourth Proportional to 48,278.16, 72,432.12 and 21,646.58

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Solution

The fourth proportional to 48,278.16, 72,432.12 and 21,646.58 is: 32,476.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,278.16 : 72,432.12 = 21,646.58 : x
  2. Step 2: Convert to fraction form
    48,278.16/72,432.12 = 21,646.58/x
  3. Step 3: Cross multiply
    48,278.16x = 72,432.12 × 21,646.58
  4. Step 4: Simplify right side
    48,278.16x = 1,567,907,399.16
  5. Step 5: Solve for x
    x = 1,567,907,399.16/48,278.16
  6. Step 6: Final answer
    x = 32,476.54

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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.