Home / 47,371.68-65,365.74-31,479.48

Finding the Fourth Proportional to 47,371.68, 65,365.74 and 31,479.48

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Solution

The fourth proportional to 47,371.68, 65,365.74 and 31,479.48 is: 43,436.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,371.68 : 65,365.74 = 31,479.48 : x
  2. Step 2: Convert to fraction form
    47,371.68/65,365.74 = 31,479.48/x
  3. Step 3: Cross multiply
    47,371.68x = 65,365.74 × 31,479.48
  4. Step 4: Simplify right side
    47,371.68x = 2,057,679,505.02
  5. Step 5: Solve for x
    x = 2,057,679,505.02/47,371.68
  6. Step 6: Final answer
    x = 43,436.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.