Home / 48,439.48-72,677.86-18,878.26

Finding the Fourth Proportional to 48,439.48, 72,677.86 and 18,878.26

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Solution

The fourth proportional to 48,439.48, 72,677.86 and 18,878.26 is: 28,324.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,439.48 : 72,677.86 = 18,878.26 : x
  2. Step 2: Convert to fraction form
    48,439.48/72,677.86 = 18,878.26/x
  3. Step 3: Cross multiply
    48,439.48x = 72,677.86 × 18,878.26
  4. Step 4: Simplify right side
    48,439.48x = 1,372,031,537.32
  5. Step 5: Solve for x
    x = 1,372,031,537.32/48,439.48
  6. Step 6: Final answer
    x = 28,324.65

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1.5x scale

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.