Home / 47,926.79-66,139.23-27,795.60

Finding the Fourth Proportional to 47,926.79, 66,139.23 and 27,795.60

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Solution

The fourth proportional to 47,926.79, 66,139.23 and 27,795.60 is: 38,358.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,926.79 : 66,139.23 = 27,795.60 : x
  2. Step 2: Convert to fraction form
    47,926.79/66,139.23 = 27,795.60/x
  3. Step 3: Cross multiply
    47,926.79x = 66,139.23 × 27,795.60
  4. Step 4: Simplify right side
    47,926.79x = 1,838,379,794.67
  5. Step 5: Solve for x
    x = 1,838,379,794.67/47,926.79
  6. Step 6: Final answer
    x = 38,358.09

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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.