Home / 31,905.41-47,856.37-9,716.93

Finding the Fourth Proportional to 31,905.41, 47,856.37 and 9,716.93

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Solution

The fourth proportional to 31,905.41, 47,856.37 and 9,716.93 is: 14,574.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,905.41 : 47,856.37 = 9,716.93 : x
  2. Step 2: Convert to fraction form
    31,905.41/47,856.37 = 9,716.93/x
  3. Step 3: Cross multiply
    31,905.41x = 47,856.37 × 9,716.93
  4. Step 4: Simplify right side
    31,905.41x = 465,016,931.45
  5. Step 5: Solve for x
    x = 465,016,931.45/31,905.41
  6. Step 6: Final answer
    x = 14,574.86

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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.