Home / 42,801.26-64,227.28-19,427.36

Finding the Fourth Proportional to 42,801.26, 64,227.28 and 19,427.36

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Solution

The fourth proportional to 42,801.26, 64,227.28 and 19,427.36 is: 29,152.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,801.26 : 64,227.28 = 19,427.36 : x
  2. Step 2: Convert to fraction form
    42,801.26/64,227.28 = 19,427.36/x
  3. Step 3: Cross multiply
    42,801.26x = 64,227.28 × 19,427.36
  4. Step 4: Simplify right side
    42,801.26x = 1,247,766,490.38
  5. Step 5: Solve for x
    x = 1,247,766,490.38/42,801.26
  6. Step 6: Final answer
    x = 29,152.56

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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.