Home / 30,920.91-46,384.77-9,856.05

Finding the Fourth Proportional to 30,920.91, 46,384.77 and 9,856.05

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Solution

The fourth proportional to 30,920.91, 46,384.77 and 9,856.05 is: 14,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,920.91 : 46,384.77 = 9,856.05 : x
  2. Step 2: Convert to fraction form
    30,920.91/46,384.77 = 9,856.05/x
  3. Step 3: Cross multiply
    30,920.91x = 46,384.77 × 9,856.05
  4. Step 4: Simplify right side
    30,920.91x = 457,170,612.36
  5. Step 5: Solve for x
    x = 457,170,612.36/30,920.91
  6. Step 6: Final answer
    x = 14,785.16

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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.