Home / 47,888.07-71,856.71-21,252.31

Finding the Fourth Proportional to 47,888.07, 71,856.71 and 21,252.31

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Solution

The fourth proportional to 47,888.07, 71,856.71 and 21,252.31 is: 31,889.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,888.07 : 71,856.71 = 21,252.31 : x
  2. Step 2: Convert to fraction form
    47,888.07/71,856.71 = 21,252.31/x
  3. Step 3: Cross multiply
    47,888.07x = 71,856.71 × 21,252.31
  4. Step 4: Simplify right side
    47,888.07x = 1,527,121,076.50
  5. Step 5: Solve for x
    x = 1,527,121,076.50/47,888.07
  6. Step 6: Final answer
    x = 31,889.38

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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.