Home / 30,918.69-46,381.41-9,853.83

Finding the Fourth Proportional to 30,918.69, 46,381.41 and 9,853.83

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Solution

The fourth proportional to 30,918.69, 46,381.41 and 9,853.83 is: 14,781.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,918.69 : 46,381.41 = 9,853.83 : x
  2. Step 2: Convert to fraction form
    30,918.69/46,381.41 = 9,853.83/x
  3. Step 3: Cross multiply
    30,918.69x = 46,381.41 × 9,853.83
  4. Step 4: Simplify right side
    30,918.69x = 457,034,529.30
  5. Step 5: Solve for x
    x = 457,034,529.30/30,918.69
  6. Step 6: Final answer
    x = 14,781.82

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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.