Home / 30,590.84-42,214.69-17,161.85

Finding the Fourth Proportional to 30,590.84, 42,214.69 and 17,161.85

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Solution

The fourth proportional to 30,590.84, 42,214.69 and 17,161.85 is: 23,682.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,590.84 : 42,214.69 = 17,161.85 : x
  2. Step 2: Convert to fraction form
    30,590.84/42,214.69 = 17,161.85/x
  3. Step 3: Cross multiply
    30,590.84x = 42,214.69 × 17,161.85
  4. Step 4: Simplify right side
    30,590.84x = 724,482,177.58
  5. Step 5: Solve for x
    x = 724,482,177.58/30,590.84
  6. Step 6: Final answer
    x = 23,682.98

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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.