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Finding the Fourth Proportional to 34,791, 48,011.58 and 19,887

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Solution

The fourth proportional to 34,791, 48,011.58 and 19,887 is: 27,444.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,791 : 48,011.58 = 19,887 : x
  2. Step 2: Convert to fraction form
    34,791/48,011.58 = 19,887/x
  3. Step 3: Cross multiply
    34,791x = 48,011.58 × 19,887
  4. Step 4: Simplify right side
    34,791x = 954,806,291.46
  5. Step 5: Solve for x
    x = 954,806,291.46/34,791
  6. Step 6: Final answer
    x = 27,444.06

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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.