Home / 30,902.91-42,644.21-17,476.98

Finding the Fourth Proportional to 30,902.91, 42,644.21 and 17,476.98

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Solution

The fourth proportional to 30,902.91, 42,644.21 and 17,476.98 is: 24,117.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,902.91 : 42,644.21 = 17,476.98 : x
  2. Step 2: Convert to fraction form
    30,902.91/42,644.21 = 17,476.98/x
  3. Step 3: Cross multiply
    30,902.91x = 42,644.21 × 17,476.98
  4. Step 4: Simplify right side
    30,902.91x = 745,291,917.90
  5. Step 5: Solve for x
    x = 745,291,917.90/30,902.91
  6. Step 6: Final answer
    x = 24,117.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.