Home / 48,055.78-72,083.13-21,742.30

Finding the Fourth Proportional to 48,055.78, 72,083.13 and 21,742.30

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Solution

The fourth proportional to 48,055.78, 72,083.13 and 21,742.30 is: 32,613.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,055.78 : 72,083.13 = 21,742.30 : x
  2. Step 2: Convert to fraction form
    48,055.78/72,083.13 = 21,742.30/x
  3. Step 3: Cross multiply
    48,055.78x = 72,083.13 × 21,742.30
  4. Step 4: Simplify right side
    48,055.78x = 1,567,253,037.40
  5. Step 5: Solve for x
    x = 1,567,253,037.40/48,055.78
  6. Step 6: Final answer
    x = 32,613.21

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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.