Home / 31,408.24-47,128.50-17,365.66

Finding the Fourth Proportional to 31,408.24, 47,128.50 and 17,365.66

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Solution

The fourth proportional to 31,408.24, 47,128.50 and 17,365.66 is: 26,057.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,408.24 : 47,128.50 = 17,365.66 : x
  2. Step 2: Convert to fraction form
    31,408.24/47,128.50 = 17,365.66/x
  3. Step 3: Cross multiply
    31,408.24x = 47,128.50 × 17,365.66
  4. Step 4: Simplify right side
    31,408.24x = 818,417,507.31
  5. Step 5: Solve for x
    x = 818,417,507.31/31,408.24
  6. Step 6: Final answer
    x = 26,057.41

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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.