Home / 58,921.29-88,395.78-19,478.41

Finding the Fourth Proportional to 58,921.29, 88,395.78 and 19,478.41

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Solution

The fourth proportional to 58,921.29, 88,395.78 and 19,478.41 is: 29,222.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,921.29 : 88,395.78 = 19,478.41 : x
  2. Step 2: Convert to fraction form
    58,921.29/88,395.78 = 19,478.41/x
  3. Step 3: Cross multiply
    58,921.29x = 88,395.78 × 19,478.41
  4. Step 4: Simplify right side
    58,921.29x = 1,721,809,245.11
  5. Step 5: Solve for x
    x = 1,721,809,245.11/58,921.29
  6. Step 6: Final answer
    x = 29,222.19

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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.