Home / 52,361.55-78,547.17-21,199.23

Finding the Fourth Proportional to 52,361.55, 78,547.17 and 21,199.23

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Solution

The fourth proportional to 52,361.55, 78,547.17 and 21,199.23 is: 31,800.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,361.55 : 78,547.17 = 21,199.23 : x
  2. Step 2: Convert to fraction form
    52,361.55/78,547.17 = 21,199.23/x
  3. Step 3: Cross multiply
    52,361.55x = 78,547.17 × 21,199.23
  4. Step 4: Simplify right side
    52,361.55x = 1,665,139,522.68
  5. Step 5: Solve for x
    x = 1,665,139,522.68/52,361.55
  6. Step 6: Final answer
    x = 31,800.81

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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.