Home / 36,228.36-49,995.13-20,312.81

Finding the Fourth Proportional to 36,228.36, 49,995.13 and 20,312.81

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Solution

The fourth proportional to 36,228.36, 49,995.13 and 20,312.81 is: 28,031.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,228.36 : 49,995.13 = 20,312.81 : x
  2. Step 2: Convert to fraction form
    36,228.36/49,995.13 = 20,312.81/x
  3. Step 3: Cross multiply
    36,228.36x = 49,995.13 × 20,312.81
  4. Step 4: Simplify right side
    36,228.36x = 1,015,541,576.62
  5. Step 5: Solve for x
    x = 1,015,541,576.62/36,228.36
  6. Step 6: Final answer
    x = 28,031.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.