Home / 31,718.54-47,586.45-10,945.10

Finding the Fourth Proportional to 31,718.54, 47,586.45 and 10,945.10

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Solution

The fourth proportional to 31,718.54, 47,586.45 and 10,945.10 is: 16,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,718.54 : 47,586.45 = 10,945.10 : x
  2. Step 2: Convert to fraction form
    31,718.54/47,586.45 = 10,945.10/x
  3. Step 3: Cross multiply
    31,718.54x = 47,586.45 × 10,945.10
  4. Step 4: Simplify right side
    31,718.54x = 520,838,453.90
  5. Step 5: Solve for x
    x = 520,838,453.90/31,718.54
  6. Step 6: Final answer
    x = 16,420.63

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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.