Home / 65,890.32-98,835.68-15,970.22

Finding the Fourth Proportional to 65,890.32, 98,835.68 and 15,970.22

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Solution

The fourth proportional to 65,890.32, 98,835.68 and 15,970.22 is: 23,955.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,890.32 : 98,835.68 = 15,970.22 : x
  2. Step 2: Convert to fraction form
    65,890.32/98,835.68 = 15,970.22/x
  3. Step 3: Cross multiply
    65,890.32x = 98,835.68 × 15,970.22
  4. Step 4: Simplify right side
    65,890.32x = 1,578,427,553.45
  5. Step 5: Solve for x
    x = 1,578,427,553.45/65,890.32
  6. Step 6: Final answer
    x = 23,955.38

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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.