Home / 34,565.36-47,703.78-21,145.55

Finding the Fourth Proportional to 34,565.36, 47,703.78 and 21,145.55

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Solution

The fourth proportional to 34,565.36, 47,703.78 and 21,145.55 is: 29,183.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,565.36 : 47,703.78 = 21,145.55 : x
  2. Step 2: Convert to fraction form
    34,565.36/47,703.78 = 21,145.55/x
  3. Step 3: Cross multiply
    34,565.36x = 47,703.78 × 21,145.55
  4. Step 4: Simplify right side
    34,565.36x = 1,008,722,426.66
  5. Step 5: Solve for x
    x = 1,008,722,426.66/34,565.36
  6. Step 6: Final answer
    x = 29,183.05

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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.