Home / 37,211.49-51,352.02-20,215.80

Finding the Fourth Proportional to 37,211.49, 51,352.02 and 20,215.80

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Solution

The fourth proportional to 37,211.49, 51,352.02 and 20,215.80 is: 27,897.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,211.49 : 51,352.02 = 20,215.80 : x
  2. Step 2: Convert to fraction form
    37,211.49/51,352.02 = 20,215.80/x
  3. Step 3: Cross multiply
    37,211.49x = 51,352.02 × 20,215.80
  4. Step 4: Simplify right side
    37,211.49x = 1,038,122,165.92
  5. Step 5: Solve for x
    x = 1,038,122,165.92/37,211.49
  6. Step 6: Final answer
    x = 27,897.89

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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.