Home / 64,875.13-97,304.32-20,506.38

Finding the Fourth Proportional to 64,875.13, 97,304.32 and 20,506.38

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Solution

The fourth proportional to 64,875.13, 97,304.32 and 20,506.38 is: 30,756.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,875.13 : 97,304.32 = 20,506.38 : x
  2. Step 2: Convert to fraction form
    64,875.13/97,304.32 = 20,506.38/x
  3. Step 3: Cross multiply
    64,875.13x = 97,304.32 × 20,506.38
  4. Step 4: Simplify right side
    64,875.13x = 1,995,359,361.56
  5. Step 5: Solve for x
    x = 1,995,359,361.56/64,875.13
  6. Step 6: Final answer
    x = 30,756.92

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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.