Home / 65,294.04-97,938.33-20,919.81

Finding the Fourth Proportional to 65,294.04, 97,938.33 and 20,919.81

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Solution

The fourth proportional to 65,294.04, 97,938.33 and 20,919.81 is: 31,378.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,294.04 : 97,938.33 = 20,919.81 : x
  2. Step 2: Convert to fraction form
    65,294.04/97,938.33 = 20,919.81/x
  3. Step 3: Cross multiply
    65,294.04x = 97,938.33 × 20,919.81
  4. Step 4: Simplify right side
    65,294.04x = 2,048,851,544.14
  5. Step 5: Solve for x
    x = 2,048,851,544.14/65,294.04
  6. Step 6: Final answer
    x = 31,378.84

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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.