Home / 30,550.92-45,841.86-13,908.66

Finding the Fourth Proportional to 30,550.92, 45,841.86 and 13,908.66

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Solution

The fourth proportional to 30,550.92, 45,841.86 and 13,908.66 is: 20,870.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,550.92 : 45,841.86 = 13,908.66 : x
  2. Step 2: Convert to fraction form
    30,550.92/45,841.86 = 13,908.66/x
  3. Step 3: Cross multiply
    30,550.92x = 45,841.86 × 13,908.66
  4. Step 4: Simplify right side
    30,550.92x = 637,598,844.51
  5. Step 5: Solve for x
    x = 637,598,844.51/30,550.92
  6. Step 6: Final answer
    x = 20,870.04

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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.