Home / 51,087.08-70,499.08-29,577.76

Finding the Fourth Proportional to 51,087.08, 70,499.08 and 29,577.76

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Solution

The fourth proportional to 51,087.08, 70,499.08 and 29,577.76 is: 40,816.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,087.08 : 70,499.08 = 29,577.76 : x
  2. Step 2: Convert to fraction form
    51,087.08/70,499.08 = 29,577.76/x
  3. Step 3: Cross multiply
    51,087.08x = 70,499.08 × 29,577.76
  4. Step 4: Simplify right side
    51,087.08x = 2,085,204,868.46
  5. Step 5: Solve for x
    x = 2,085,204,868.46/51,087.08
  6. Step 6: Final answer
    x = 40,816.68

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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.