Home / 39,168.66-54,053.85-21,264.83

Finding the Fourth Proportional to 39,168.66, 54,053.85 and 21,264.83

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Solution

The fourth proportional to 39,168.66, 54,053.85 and 21,264.83 is: 29,346.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,168.66 : 54,053.85 = 21,264.83 : x
  2. Step 2: Convert to fraction form
    39,168.66/54,053.85 = 21,264.83/x
  3. Step 3: Cross multiply
    39,168.66x = 54,053.85 × 21,264.83
  4. Step 4: Simplify right side
    39,168.66x = 1,149,445,795.96
  5. Step 5: Solve for x
    x = 1,149,445,795.96/39,168.66
  6. Step 6: Final answer
    x = 29,346.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.