Home / 31,416.23-47,130.95-9,227.75

Finding the Fourth Proportional to 31,416.23, 47,130.95 and 9,227.75

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Solution

The fourth proportional to 31,416.23, 47,130.95 and 9,227.75 is: 13,843.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,416.23 : 47,130.95 = 9,227.75 : x
  2. Step 2: Convert to fraction form
    31,416.23/47,130.95 = 9,227.75/x
  3. Step 3: Cross multiply
    31,416.23x = 47,130.95 × 9,227.75
  4. Step 4: Simplify right side
    31,416.23x = 434,912,411.28
  5. Step 5: Solve for x
    x = 434,912,411.28/31,416.23
  6. Step 6: Final answer
    x = 13,843.56

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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.