Home / 42,840.50-64,284.01-17,882.73

Finding the Fourth Proportional to 42,840.50, 64,284.01 and 17,882.73

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Solution

The fourth proportional to 42,840.50, 64,284.01 and 17,882.73 is: 26,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,840.50 : 64,284.01 = 17,882.73 : x
  2. Step 2: Convert to fraction form
    42,840.50/64,284.01 = 17,882.73/x
  3. Step 3: Cross multiply
    42,840.50x = 64,284.01 × 17,882.73
  4. Step 4: Simplify right side
    42,840.50x = 1,149,573,549.44
  5. Step 5: Solve for x
    x = 1,149,573,549.44/42,840.50
  6. Step 6: Final answer
    x = 26,833.80

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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.