Home / 42,163.23-63,265.35-19,950.15

Finding the Fourth Proportional to 42,163.23, 63,265.35 and 19,950.15

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Solution

The fourth proportional to 42,163.23, 63,265.35 and 19,950.15 is: 29,934.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,163.23 : 63,265.35 = 19,950.15 : x
  2. Step 2: Convert to fraction form
    42,163.23/63,265.35 = 19,950.15/x
  3. Step 3: Cross multiply
    42,163.23x = 63,265.35 × 19,950.15
  4. Step 4: Simplify right side
    42,163.23x = 1,262,153,178.49
  5. Step 5: Solve for x
    x = 1,262,153,178.49/42,163.23
  6. Step 6: Final answer
    x = 29,934.92

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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.