Home / 45,650.30-62,964.05-30,516.35

Finding the Fourth Proportional to 45,650.30, 62,964.05 and 30,516.35

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Solution

The fourth proportional to 45,650.30, 62,964.05 and 30,516.35 is: 42,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,650.30 : 62,964.05 = 30,516.35 : x
  2. Step 2: Convert to fraction form
    45,650.30/62,964.05 = 30,516.35/x
  3. Step 3: Cross multiply
    45,650.30x = 62,964.05 × 30,516.35
  4. Step 4: Simplify right side
    45,650.30x = 1,921,432,519.82
  5. Step 5: Solve for x
    x = 1,921,432,519.82/45,650.30
  6. Step 6: Final answer
    x = 42,090.25

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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.