Home / 36,986.24-51,041.76-20,220.32

Finding the Fourth Proportional to 36,986.24, 51,041.76 and 20,220.32

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Solution

The fourth proportional to 36,986.24, 51,041.76 and 20,220.32 is: 27,904.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,986.24 : 51,041.76 = 20,220.32 : x
  2. Step 2: Convert to fraction form
    36,986.24/51,041.76 = 20,220.32/x
  3. Step 3: Cross multiply
    36,986.24x = 51,041.76 × 20,220.32
  4. Step 4: Simplify right side
    36,986.24x = 1,032,080,720.56
  5. Step 5: Solve for x
    x = 1,032,080,720.56/36,986.24
  6. Step 6: Final answer
    x = 27,904.45

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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.