Home / 51,883.14-71,598.81-30,672.90

Finding the Fourth Proportional to 51,883.14, 71,598.81 and 30,672.90

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Solution

The fourth proportional to 51,883.14, 71,598.81 and 30,672.90 is: 42,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,883.14 : 71,598.81 = 30,672.90 : x
  2. Step 2: Convert to fraction form
    51,883.14/71,598.81 = 30,672.90/x
  3. Step 3: Cross multiply
    51,883.14x = 71,598.81 × 30,672.90
  4. Step 4: Simplify right side
    51,883.14x = 2,196,143,139.25
  5. Step 5: Solve for x
    x = 2,196,143,139.25/51,883.14
  6. Step 6: Final answer
    x = 42,328.65

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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.