Home / 42,012.99-63,029.27-18,641.25

Finding the Fourth Proportional to 42,012.99, 63,029.27 and 18,641.25

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Solution

The fourth proportional to 42,012.99, 63,029.27 and 18,641.25 is: 27,966.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012.99 : 63,029.27 = 18,641.25 : x
  2. Step 2: Convert to fraction form
    42,012.99/63,029.27 = 18,641.25/x
  3. Step 3: Cross multiply
    42,012.99x = 63,029.27 × 18,641.25
  4. Step 4: Simplify right side
    42,012.99x = 1,174,944,425.99
  5. Step 5: Solve for x
    x = 1,174,944,425.99/42,012.99
  6. Step 6: Final answer
    x = 27,966.22

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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.