Home / 36,123.77-49,849.93-20,208.79

Finding the Fourth Proportional to 36,123.77, 49,849.93 and 20,208.79

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Solution

The fourth proportional to 36,123.77, 49,849.93 and 20,208.79 is: 27,887.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,123.77 : 49,849.93 = 20,208.79 : x
  2. Step 2: Convert to fraction form
    36,123.77/49,849.93 = 20,208.79/x
  3. Step 3: Cross multiply
    36,123.77x = 49,849.93 × 20,208.79
  4. Step 4: Simplify right side
    36,123.77x = 1,007,406,854.46
  5. Step 5: Solve for x
    x = 1,007,406,854.46/36,123.77
  6. Step 6: Final answer
    x = 27,887.64

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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.