Home / 40,908.08-61,362.14-12,830.33

Finding the Fourth Proportional to 40,908.08, 61,362.14 and 12,830.33

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Solution

The fourth proportional to 40,908.08, 61,362.14 and 12,830.33 is: 19,245.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,908.08 : 61,362.14 = 12,830.33 : x
  2. Step 2: Convert to fraction form
    40,908.08/61,362.14 = 12,830.33/x
  3. Step 3: Cross multiply
    40,908.08x = 61,362.14 × 12,830.33
  4. Step 4: Simplify right side
    40,908.08x = 787,296,594.96
  5. Step 5: Solve for x
    x = 787,296,594.96/40,908.08
  6. Step 6: Final answer
    x = 19,245.50

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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.