Home / 42,165.84-63,204.69-19,952.76

Finding the Fourth Proportional to 42,165.84, 63,204.69 and 19,952.76

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Solution

The fourth proportional to 42,165.84, 63,204.69 and 19,952.76 is: 29,908.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,165.84 : 63,204.69 = 19,952.76 : x
  2. Step 2: Convert to fraction form
    42,165.84/63,204.69 = 19,952.76/x
  3. Step 3: Cross multiply
    42,165.84x = 63,204.69 × 19,952.76
  4. Step 4: Simplify right side
    42,165.84x = 1,261,108,010.44
  5. Step 5: Solve for x
    x = 1,261,108,010.44/42,165.84
  6. Step 6: Final answer
    x = 29,908.29

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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.