Home / 39,166.68-54,050.58-21,261.72

Finding the Fourth Proportional to 39,166.68, 54,050.58 and 21,261.72

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Solution

The fourth proportional to 39,166.68, 54,050.58 and 21,261.72 is: 29,341.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,166.68 : 54,050.58 = 21,261.72 : x
  2. Step 2: Convert to fraction form
    39,166.68/54,050.58 = 21,261.72/x
  3. Step 3: Cross multiply
    39,166.68x = 54,050.58 × 21,261.72
  4. Step 4: Simplify right side
    39,166.68x = 1,149,208,297.80
  5. Step 5: Solve for x
    x = 1,149,208,297.80/39,166.68
  6. Step 6: Final answer
    x = 29,341.48

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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.