Home / 30,920.62-46,388.48-9,860.66

Finding the Fourth Proportional to 30,920.62, 46,388.48 and 9,860.66

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Solution

The fourth proportional to 30,920.62, 46,388.48 and 9,860.66 is: 14,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,920.62 : 46,388.48 = 9,860.66 : x
  2. Step 2: Convert to fraction form
    30,920.62/46,388.48 = 9,860.66/x
  3. Step 3: Cross multiply
    30,920.62x = 46,388.48 × 9,860.66
  4. Step 4: Simplify right side
    30,920.62x = 457,421,118.24
  5. Step 5: Solve for x
    x = 457,421,118.24/30,920.62
  6. Step 6: Final answer
    x = 14,793.40

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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.