Home / 42,234.08-63,351.12-19,435.63

Finding the Fourth Proportional to 42,234.08, 63,351.12 and 19,435.63

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Solution

The fourth proportional to 42,234.08, 63,351.12 and 19,435.63 is: 29,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,234.08 : 63,351.12 = 19,435.63 : x
  2. Step 2: Convert to fraction form
    42,234.08/63,351.12 = 19,435.63/x
  3. Step 3: Cross multiply
    42,234.08x = 63,351.12 × 19,435.63
  4. Step 4: Simplify right side
    42,234.08x = 1,231,269,044.04
  5. Step 5: Solve for x
    x = 1,231,269,044.04/42,234.08
  6. Step 6: Final answer
    x = 29,153.45

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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.