Home / 63,930.90-95,903.55-19,557.30

Finding the Fourth Proportional to 63,930.90, 95,903.55 and 19,557.30

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Solution

The fourth proportional to 63,930.90, 95,903.55 and 19,557.30 is: 29,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,930.90 : 95,903.55 = 19,557.30 : x
  2. Step 2: Convert to fraction form
    63,930.90/95,903.55 = 19,557.30/x
  3. Step 3: Cross multiply
    63,930.90x = 95,903.55 × 19,557.30
  4. Step 4: Simplify right side
    63,930.90x = 1,875,614,498.42
  5. Step 5: Solve for x
    x = 1,875,614,498.42/63,930.90
  6. Step 6: Final answer
    x = 29,338.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.