Home / 31,400.19-47,082.54-10,334.55

Finding the Fourth Proportional to 31,400.19, 47,082.54 and 10,334.55

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Solution

The fourth proportional to 31,400.19, 47,082.54 and 10,334.55 is: 15,495.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,400.19 : 47,082.54 = 10,334.55 : x
  2. Step 2: Convert to fraction form
    31,400.19/47,082.54 = 10,334.55/x
  3. Step 3: Cross multiply
    31,400.19x = 47,082.54 × 10,334.55
  4. Step 4: Simplify right side
    31,400.19x = 486,576,863.76
  5. Step 5: Solve for x
    x = 486,576,863.76/31,400.19
  6. Step 6: Final answer
    x = 15,495.98

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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.