Home / 45,958.68-63,447.06-30,930.36

Finding the Fourth Proportional to 45,958.68, 63,447.06 and 30,930.36

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Solution

The fourth proportional to 45,958.68, 63,447.06 and 30,930.36 is: 42,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,958.68 : 63,447.06 = 30,930.36 : x
  2. Step 2: Convert to fraction form
    45,958.68/63,447.06 = 30,930.36/x
  3. Step 3: Cross multiply
    45,958.68x = 63,447.06 × 30,930.36
  4. Step 4: Simplify right side
    45,958.68x = 1,962,440,406.74
  5. Step 5: Solve for x
    x = 1,962,440,406.74/45,958.68
  6. Step 6: Final answer
    x = 42,700.10

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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.