Home / 39,166.86-54,050.30-21,261.87

Finding the Fourth Proportional to 39,166.86, 54,050.30 and 21,261.87

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Solution

The fourth proportional to 39,166.86, 54,050.30 and 21,261.87 is: 29,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,166.86 : 54,050.30 = 21,261.87 : x
  2. Step 2: Convert to fraction form
    39,166.86/54,050.30 = 21,261.87/x
  3. Step 3: Cross multiply
    39,166.86x = 54,050.30 × 21,261.87
  4. Step 4: Simplify right side
    39,166.86x = 1,149,210,452.06
  5. Step 5: Solve for x
    x = 1,149,210,452.06/39,166.86
  6. Step 6: Final answer
    x = 29,341.40

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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.