Home / 42,133.77-63,219.10-19,962.97

Finding the Fourth Proportional to 42,133.77, 63,219.10 and 19,962.97

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Solution

The fourth proportional to 42,133.77, 63,219.10 and 19,962.97 is: 29,953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,133.77 : 63,219.10 = 19,962.97 : x
  2. Step 2: Convert to fraction form
    42,133.77/63,219.10 = 19,962.97/x
  3. Step 3: Cross multiply
    42,133.77x = 63,219.10 × 19,962.97
  4. Step 4: Simplify right side
    42,133.77x = 1,262,040,896.91
  5. Step 5: Solve for x
    x = 1,262,040,896.91/42,133.77
  6. Step 6: Final answer
    x = 29,953.19

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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.