Home / 36,145.59-49,880.90-20,230.04

Finding the Fourth Proportional to 36,145.59, 49,880.90 and 20,230.04

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Solution

The fourth proportional to 36,145.59, 49,880.90 and 20,230.04 is: 27,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,145.59 : 49,880.90 = 20,230.04 : x
  2. Step 2: Convert to fraction form
    36,145.59/49,880.90 = 20,230.04/x
  3. Step 3: Cross multiply
    36,145.59x = 49,880.90 × 20,230.04
  4. Step 4: Simplify right side
    36,145.59x = 1,009,092,602.24
  5. Step 5: Solve for x
    x = 1,009,092,602.24/36,145.59
  6. Step 6: Final answer
    x = 27,917.45

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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.