Home / 58,361.28-87,555.77-18,918.42

Finding the Fourth Proportional to 58,361.28, 87,555.77 and 18,918.42

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Solution

The fourth proportional to 58,361.28, 87,555.77 and 18,918.42 is: 28,382.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,361.28 : 87,555.77 = 18,918.42 : x
  2. Step 2: Convert to fraction form
    58,361.28/87,555.77 = 18,918.42/x
  3. Step 3: Cross multiply
    58,361.28x = 87,555.77 × 18,918.42
  4. Step 4: Simplify right side
    58,361.28x = 1,656,416,830.28
  5. Step 5: Solve for x
    x = 1,656,416,830.28/58,361.28
  6. Step 6: Final answer
    x = 28,382.12

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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.