Home / 36,146.71-54,166.74-20,359.36

Finding the Fourth Proportional to 36,146.71, 54,166.74 and 20,359.36

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Solution

The fourth proportional to 36,146.71, 54,166.74 and 20,359.36 is: 30,509.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,146.71 : 54,166.74 = 20,359.36 : x
  2. Step 2: Convert to fraction form
    36,146.71/54,166.74 = 20,359.36/x
  3. Step 3: Cross multiply
    36,146.71x = 54,166.74 × 20,359.36
  4. Step 4: Simplify right side
    36,146.71x = 1,102,800,159.69
  5. Step 5: Solve for x
    x = 1,102,800,159.69/36,146.71
  6. Step 6: Final answer
    x = 30,509.01

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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.