Home / 51,143.08-70,575.54-28,483

Finding the Fourth Proportional to 51,143.08, 70,575.54 and 28,483

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Solution

The fourth proportional to 51,143.08, 70,575.54 and 28,483 is: 39,305.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,143.08 : 70,575.54 = 28,483 : x
  2. Step 2: Convert to fraction form
    51,143.08/70,575.54 = 28,483/x
  3. Step 3: Cross multiply
    51,143.08x = 70,575.54 × 28,483
  4. Step 4: Simplify right side
    51,143.08x = 2,010,203,105.82
  5. Step 5: Solve for x
    x = 2,010,203,105.82/51,143.08
  6. Step 6: Final answer
    x = 39,305.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.