Home / 47,255.42-70,860.90-17,665.40

Finding the Fourth Proportional to 47,255.42, 70,860.90 and 17,665.40

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Solution

The fourth proportional to 47,255.42, 70,860.90 and 17,665.40 is: 26,489.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,255.42 : 70,860.90 = 17,665.40 : x
  2. Step 2: Convert to fraction form
    47,255.42/70,860.90 = 17,665.40/x
  3. Step 3: Cross multiply
    47,255.42x = 70,860.90 × 17,665.40
  4. Step 4: Simplify right side
    47,255.42x = 1,251,786,142.86
  5. Step 5: Solve for x
    x = 1,251,786,142.86/47,255.42
  6. Step 6: Final answer
    x = 26,489.79

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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.