Home / 65,740.29-98,548.01-21,335.99

Finding the Fourth Proportional to 65,740.29, 98,548.01 and 21,335.99

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Solution

The fourth proportional to 65,740.29, 98,548.01 and 21,335.99 is: 31,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,740.29 : 98,548.01 = 21,335.99 : x
  2. Step 2: Convert to fraction form
    65,740.29/98,548.01 = 21,335.99/x
  3. Step 3: Cross multiply
    65,740.29x = 98,548.01 × 21,335.99
  4. Step 4: Simplify right side
    65,740.29x = 2,102,618,756.46
  5. Step 5: Solve for x
    x = 2,102,618,756.46/65,740.29
  6. Step 6: Final answer
    x = 31,983.72

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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.