Home / 36,991.74-55,482.12-13,612.71

Finding the Fourth Proportional to 36,991.74, 55,482.12 and 13,612.71

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Solution

The fourth proportional to 36,991.74, 55,482.12 and 13,612.71 is: 20,417.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,991.74 : 55,482.12 = 13,612.71 : x
  2. Step 2: Convert to fraction form
    36,991.74/55,482.12 = 13,612.71/x
  3. Step 3: Cross multiply
    36,991.74x = 55,482.12 × 13,612.71
  4. Step 4: Simplify right side
    36,991.74x = 755,262,009.75
  5. Step 5: Solve for x
    x = 755,262,009.75/36,991.74
  6. Step 6: Final answer
    x = 20,417.04

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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.