Home / 36,709.84-55,031.32-13,330.81

Finding the Fourth Proportional to 36,709.84, 55,031.32 and 13,330.81

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Solution

The fourth proportional to 36,709.84, 55,031.32 and 13,330.81 is: 19,984.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,709.84 : 55,031.32 = 13,330.81 : x
  2. Step 2: Convert to fraction form
    36,709.84/55,031.32 = 13,330.81/x
  3. Step 3: Cross multiply
    36,709.84x = 55,031.32 × 13,330.81
  4. Step 4: Simplify right side
    36,709.84x = 733,612,070.97
  5. Step 5: Solve for x
    x = 733,612,070.97/36,709.84
  6. Step 6: Final answer
    x = 19,984.07

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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.