Home / 47,032.68-70,555.65-13,755.25

Finding the Fourth Proportional to 47,032.68, 70,555.65 and 13,755.25

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Solution

The fourth proportional to 47,032.68, 70,555.65 and 13,755.25 is: 20,634.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,032.68 : 70,555.65 = 13,755.25 : x
  2. Step 2: Convert to fraction form
    47,032.68/70,555.65 = 13,755.25/x
  3. Step 3: Cross multiply
    47,032.68x = 70,555.65 × 13,755.25
  4. Step 4: Simplify right side
    47,032.68x = 970,510,604.66
  5. Step 5: Solve for x
    x = 970,510,604.66/47,032.68
  6. Step 6: Final answer
    x = 20,634.81

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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.