Home / 42,521.40-63,789.84-17,556.60

Finding the Fourth Proportional to 42,521.40, 63,789.84 and 17,556.60

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Solution

The fourth proportional to 42,521.40, 63,789.84 and 17,556.60 is: 26,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,521.40 : 63,789.84 = 17,556.60 : x
  2. Step 2: Convert to fraction form
    42,521.40/63,789.84 = 17,556.60/x
  3. Step 3: Cross multiply
    42,521.40x = 63,789.84 × 17,556.60
  4. Step 4: Simplify right side
    42,521.40x = 1,119,932,704.94
  5. Step 5: Solve for x
    x = 1,119,932,704.94/42,521.40
  6. Step 6: Final answer
    x = 26,338.10

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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.