Home / 65,015.14-97,526.10-20,645.38

Finding the Fourth Proportional to 65,015.14, 97,526.10 and 20,645.38

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Solution

The fourth proportional to 65,015.14, 97,526.10 and 20,645.38 is: 30,969.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,015.14 : 97,526.10 = 20,645.38 : x
  2. Step 2: Convert to fraction form
    65,015.14/97,526.10 = 20,645.38/x
  3. Step 3: Cross multiply
    65,015.14x = 97,526.10 × 20,645.38
  4. Step 4: Simplify right side
    65,015.14x = 2,013,463,394.42
  5. Step 5: Solve for x
    x = 2,013,463,394.42/65,015.14
  6. Step 6: Final answer
    x = 30,969.15

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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.