Home / 36,985.74-51,040.11-20,218.74

Finding the Fourth Proportional to 36,985.74, 51,040.11 and 20,218.74

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Solution

The fourth proportional to 36,985.74, 51,040.11 and 20,218.74 is: 27,901.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,985.74 : 51,040.11 = 20,218.74 : x
  2. Step 2: Convert to fraction form
    36,985.74/51,040.11 = 20,218.74/x
  3. Step 3: Cross multiply
    36,985.74x = 51,040.11 × 20,218.74
  4. Step 4: Simplify right side
    36,985.74x = 1,031,966,713.66
  5. Step 5: Solve for x
    x = 1,031,966,713.66/36,985.74
  6. Step 6: Final answer
    x = 27,901.75

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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.