Home / 47,218.29-70,810.92-13,929.52

Finding the Fourth Proportional to 47,218.29, 70,810.92 and 13,929.52

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Solution

The fourth proportional to 47,218.29, 70,810.92 and 13,929.52 is: 20,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,218.29 : 70,810.92 = 13,929.52 : x
  2. Step 2: Convert to fraction form
    47,218.29/70,810.92 = 13,929.52/x
  3. Step 3: Cross multiply
    47,218.29x = 70,810.92 × 13,929.52
  4. Step 4: Simplify right side
    47,218.29x = 986,362,126.36
  5. Step 5: Solve for x
    x = 986,362,126.36/47,218.29
  6. Step 6: Final answer
    x = 20,889.41

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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.