Home / 47,020.73-70,541.84-20,371.15

Finding the Fourth Proportional to 47,020.73, 70,541.84 and 20,371.15

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Solution

The fourth proportional to 47,020.73, 70,541.84 and 20,371.15 is: 30,561.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,020.73 : 70,541.84 = 20,371.15 : x
  2. Step 2: Convert to fraction form
    47,020.73/70,541.84 = 20,371.15/x
  3. Step 3: Cross multiply
    47,020.73x = 70,541.84 × 20,371.15
  4. Step 4: Simplify right side
    47,020.73x = 1,437,018,031.64
  5. Step 5: Solve for x
    x = 1,437,018,031.64/47,020.73
  6. Step 6: Final answer
    x = 30,561.37

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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.