Home / 31,912.19-47,875.50-10,564.86

Finding the Fourth Proportional to 31,912.19, 47,875.50 and 10,564.86

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Solution

The fourth proportional to 31,912.19, 47,875.50 and 10,564.86 is: 15,849.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,912.19 : 47,875.50 = 10,564.86 : x
  2. Step 2: Convert to fraction form
    31,912.19/47,875.50 = 10,564.86/x
  3. Step 3: Cross multiply
    31,912.19x = 47,875.50 × 10,564.86
  4. Step 4: Simplify right side
    31,912.19x = 505,798,134.46
  5. Step 5: Solve for x
    x = 505,798,134.46/31,912.19
  6. Step 6: Final answer
    x = 15,849.68

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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.