Home / 37,140.66-51,248.70-21,222

Finding the Fourth Proportional to 37,140.66, 51,248.70 and 21,222

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Solution

The fourth proportional to 37,140.66, 51,248.70 and 21,222 is: 29,283.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,140.66 : 51,248.70 = 21,222 : x
  2. Step 2: Convert to fraction form
    37,140.66/51,248.70 = 21,222/x
  3. Step 3: Cross multiply
    37,140.66x = 51,248.70 × 21,222
  4. Step 4: Simplify right side
    37,140.66x = 1,087,599,911.40
  5. Step 5: Solve for x
    x = 1,087,599,911.40/37,140.66
  6. Step 6: Final answer
    x = 29,283.27

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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.