Home / 55,950.12-83,924.36-13,830.21

Finding the Fourth Proportional to 55,950.12, 83,924.36 and 13,830.21

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Solution

The fourth proportional to 55,950.12, 83,924.36 and 13,830.21 is: 20,745.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,950.12 : 83,924.36 = 13,830.21 : x
  2. Step 2: Convert to fraction form
    55,950.12/83,924.36 = 13,830.21/x
  3. Step 3: Cross multiply
    55,950.12x = 83,924.36 × 13,830.21
  4. Step 4: Simplify right side
    55,950.12x = 1,160,691,522.92
  5. Step 5: Solve for x
    x = 1,160,691,522.92/55,950.12
  6. Step 6: Final answer
    x = 20,745.11

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1.5x scale

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.