Home / 36,710.88-55,089.84-13,335.20

Finding the Fourth Proportional to 36,710.88, 55,089.84 and 13,335.20

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Solution

The fourth proportional to 36,710.88, 55,089.84 and 13,335.20 is: 20,011.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,710.88 : 55,089.84 = 13,335.20 : x
  2. Step 2: Convert to fraction form
    36,710.88/55,089.84 = 13,335.20/x
  3. Step 3: Cross multiply
    36,710.88x = 55,089.84 × 13,335.20
  4. Step 4: Simplify right side
    36,710.88x = 734,634,034.37
  5. Step 5: Solve for x
    x = 734,634,034.37/36,710.88
  6. Step 6: Final answer
    x = 20,011.34

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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.