Home / 42,011.10-63,018.39-19,542.87

Finding the Fourth Proportional to 42,011.10, 63,018.39 and 19,542.87

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Solution

The fourth proportional to 42,011.10, 63,018.39 and 19,542.87 is: 29,315.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,011.10 : 63,018.39 = 19,542.87 : x
  2. Step 2: Convert to fraction form
    42,011.10/63,018.39 = 19,542.87/x
  3. Step 3: Cross multiply
    42,011.10x = 63,018.39 × 19,542.87
  4. Step 4: Simplify right side
    42,011.10x = 1,231,560,203.38
  5. Step 5: Solve for x
    x = 1,231,560,203.38/42,011.10
  6. Step 6: Final answer
    x = 29,315.11

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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.