Home / 30,626.46-42,265.79-17,877.66

Finding the Fourth Proportional to 30,626.46, 42,265.79 and 17,877.66

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Solution

The fourth proportional to 30,626.46, 42,265.79 and 17,877.66 is: 24,671.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,626.46 : 42,265.79 = 17,877.66 : x
  2. Step 2: Convert to fraction form
    30,626.46/42,265.79 = 17,877.66/x
  3. Step 3: Cross multiply
    30,626.46x = 42,265.79 × 17,877.66
  4. Step 4: Simplify right side
    30,626.46x = 755,613,333.86
  5. Step 5: Solve for x
    x = 755,613,333.86/30,626.46
  6. Step 6: Final answer
    x = 24,671.91

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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.