Home / 36,939.80-55,419.60-10,646.84

Finding the Fourth Proportional to 36,939.80, 55,419.60 and 10,646.84

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Solution

The fourth proportional to 36,939.80, 55,419.60 and 10,646.84 is: 15,973.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,939.80 : 55,419.60 = 10,646.84 : x
  2. Step 2: Convert to fraction form
    36,939.80/55,419.60 = 10,646.84/x
  3. Step 3: Cross multiply
    36,939.80x = 55,419.60 × 10,646.84
  4. Step 4: Simplify right side
    36,939.80x = 590,043,614.06
  5. Step 5: Solve for x
    x = 590,043,614.06/36,939.80
  6. Step 6: Final answer
    x = 15,973.11

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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.