Home / 36,161.60-49,901.55-21,054.71

Finding the Fourth Proportional to 36,161.60, 49,901.55 and 21,054.71

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Solution

The fourth proportional to 36,161.60, 49,901.55 and 21,054.71 is: 29,054.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,161.60 : 49,901.55 = 21,054.71 : x
  2. Step 2: Convert to fraction form
    36,161.60/49,901.55 = 21,054.71/x
  3. Step 3: Cross multiply
    36,161.60x = 49,901.55 × 21,054.71
  4. Step 4: Simplify right side
    36,161.60x = 1,050,662,663.80
  5. Step 5: Solve for x
    x = 1,050,662,663.80/36,161.60
  6. Step 6: Final answer
    x = 29,054.65

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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.