Home / 31,867.92-47,802.96-10,807.74

Finding the Fourth Proportional to 31,867.92, 47,802.96 and 10,807.74

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Solution

The fourth proportional to 31,867.92, 47,802.96 and 10,807.74 is: 16,211.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,867.92 : 47,802.96 = 10,807.74 : x
  2. Step 2: Convert to fraction form
    31,867.92/47,802.96 = 10,807.74/x
  3. Step 3: Cross multiply
    31,867.92x = 47,802.96 × 10,807.74
  4. Step 4: Simplify right side
    31,867.92x = 516,641,962.91
  5. Step 5: Solve for x
    x = 516,641,962.91/31,867.92
  6. Step 6: Final answer
    x = 16,211.98

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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.