Home / 36,004.74-49,678.58-20,888.64

Finding the Fourth Proportional to 36,004.74, 49,678.58 and 20,888.64

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Solution

The fourth proportional to 36,004.74, 49,678.58 and 20,888.64 is: 28,821.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,004.74 : 49,678.58 = 20,888.64 : x
  2. Step 2: Convert to fraction form
    36,004.74/49,678.58 = 20,888.64/x
  3. Step 3: Cross multiply
    36,004.74x = 49,678.58 × 20,888.64
  4. Step 4: Simplify right side
    36,004.74x = 1,037,717,973.33
  5. Step 5: Solve for x
    x = 1,037,717,973.33/36,004.74
  6. Step 6: Final answer
    x = 28,821.70

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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.