Home / 31,347.03-47,028.33-15,559.47

Finding the Fourth Proportional to 31,347.03, 47,028.33 and 15,559.47

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Solution

The fourth proportional to 31,347.03, 47,028.33 and 15,559.47 is: 23,343.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,347.03 : 47,028.33 = 15,559.47 : x
  2. Step 2: Convert to fraction form
    31,347.03/47,028.33 = 15,559.47/x
  3. Step 3: Cross multiply
    31,347.03x = 47,028.33 × 15,559.47
  4. Step 4: Simplify right side
    31,347.03x = 731,735,889.79
  5. Step 5: Solve for x
    x = 731,735,889.79/31,347.03
  6. Step 6: Final answer
    x = 23,343.07

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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.