Home / 36,056.71-54,085.05-20,572.75

Finding the Fourth Proportional to 36,056.71, 54,085.05 and 20,572.75

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Solution

The fourth proportional to 36,056.71, 54,085.05 and 20,572.75 is: 30,859.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,056.71 : 54,085.05 = 20,572.75 : x
  2. Step 2: Convert to fraction form
    36,056.71/54,085.05 = 20,572.75/x
  3. Step 3: Cross multiply
    36,056.71x = 54,085.05 × 20,572.75
  4. Step 4: Simplify right side
    36,056.71x = 1,112,678,212.39
  5. Step 5: Solve for x
    x = 1,112,678,212.39/36,056.71
  6. Step 6: Final answer
    x = 30,859.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.