Home / 36,987.19-51,029.85-21,060.39

Finding the Fourth Proportional to 36,987.19, 51,029.85 and 21,060.39

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Solution

The fourth proportional to 36,987.19, 51,029.85 and 21,060.39 is: 29,056.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,987.19 : 51,029.85 = 21,060.39 : x
  2. Step 2: Convert to fraction form
    36,987.19/51,029.85 = 21,060.39/x
  3. Step 3: Cross multiply
    36,987.19x = 51,029.85 × 21,060.39
  4. Step 4: Simplify right side
    36,987.19x = 1,074,708,542.64
  5. Step 5: Solve for x
    x = 1,074,708,542.64/36,987.19
  6. Step 6: Final answer
    x = 29,056.24

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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.