Home / 36,159.12-49,905.50-21,622.32

Finding the Fourth Proportional to 36,159.12, 49,905.50 and 21,622.32

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Solution

The fourth proportional to 36,159.12, 49,905.50 and 21,622.32 is: 29,842.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,159.12 : 49,905.50 = 21,622.32 : x
  2. Step 2: Convert to fraction form
    36,159.12/49,905.50 = 21,622.32/x
  3. Step 3: Cross multiply
    36,159.12x = 49,905.50 × 21,622.32
  4. Step 4: Simplify right side
    36,159.12x = 1,079,072,582.65
  5. Step 5: Solve for x
    x = 1,079,072,582.65/36,159.12
  6. Step 6: Final answer
    x = 29,842.34

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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.