Home / 51,775.12-77,643.52-18,486.24

Finding the Fourth Proportional to 51,775.12, 77,643.52 and 18,486.24

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Solution

The fourth proportional to 51,775.12, 77,643.52 and 18,486.24 is: 27,722.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,775.12 : 77,643.52 = 18,486.24 : x
  2. Step 2: Convert to fraction form
    51,775.12/77,643.52 = 18,486.24/x
  3. Step 3: Cross multiply
    51,775.12x = 77,643.52 × 18,486.24
  4. Step 4: Simplify right side
    51,775.12x = 1,435,336,745.16
  5. Step 5: Solve for x
    x = 1,435,336,745.16/51,775.12
  6. Step 6: Final answer
    x = 27,722.52

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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.