Home / 47,133.25-70,681.92-20,823.64

Finding the Fourth Proportional to 47,133.25, 70,681.92 and 20,823.64

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Solution

The fourth proportional to 47,133.25, 70,681.92 and 20,823.64 is: 31,227.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,133.25 : 70,681.92 = 20,823.64 : x
  2. Step 2: Convert to fraction form
    47,133.25/70,681.92 = 20,823.64/x
  3. Step 3: Cross multiply
    47,133.25x = 70,681.92 × 20,823.64
  4. Step 4: Simplify right side
    47,133.25x = 1,471,854,856.59
  5. Step 5: Solve for x
    x = 1,471,854,856.59/47,133.25
  6. Step 6: Final answer
    x = 31,227.53

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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.