Home / 34,877.81-48,139.28-21,270.44

Finding the Fourth Proportional to 34,877.81, 48,139.28 and 21,270.44

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Solution

The fourth proportional to 34,877.81, 48,139.28 and 21,270.44 is: 29,358.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,877.81 : 48,139.28 = 21,270.44 : x
  2. Step 2: Convert to fraction form
    34,877.81/48,139.28 = 21,270.44/x
  3. Step 3: Cross multiply
    34,877.81x = 48,139.28 × 21,270.44
  4. Step 4: Simplify right side
    34,877.81x = 1,023,943,774.32
  5. Step 5: Solve for x
    x = 1,023,943,774.32/34,877.81
  6. Step 6: Final answer
    x = 29,358.03

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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.