Home / 42,509.25-63,765.23-12,927.35

Finding the Fourth Proportional to 42,509.25, 63,765.23 and 12,927.35

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Solution

The fourth proportional to 42,509.25, 63,765.23 and 12,927.35 is: 19,391.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,509.25 : 63,765.23 = 12,927.35 : x
  2. Step 2: Convert to fraction form
    42,509.25/63,765.23 = 12,927.35/x
  3. Step 3: Cross multiply
    42,509.25x = 63,765.23 × 12,927.35
  4. Step 4: Simplify right side
    42,509.25x = 824,315,540.82
  5. Step 5: Solve for x
    x = 824,315,540.82/42,509.25
  6. Step 6: Final answer
    x = 19,391.44

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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.