Home / 51,070.38-70,419.02-35,958.21

Finding the Fourth Proportional to 51,070.38, 70,419.02 and 35,958.21

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Solution

The fourth proportional to 51,070.38, 70,419.02 and 35,958.21 is: 49,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,070.38 : 70,419.02 = 35,958.21 : x
  2. Step 2: Convert to fraction form
    51,070.38/70,419.02 = 35,958.21/x
  3. Step 3: Cross multiply
    51,070.38x = 70,419.02 × 35,958.21
  4. Step 4: Simplify right side
    51,070.38x = 2,532,141,729.36
  5. Step 5: Solve for x
    x = 2,532,141,729.36/51,070.38
  6. Step 6: Final answer
    x = 49,581.42

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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.