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Finding the Fourth Proportional to 34,958.79, 48,243.02 and 19,043.19

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Solution

The fourth proportional to 34,958.79, 48,243.02 and 19,043.19 is: 26,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,958.79 : 48,243.02 = 19,043.19 : x
  2. Step 2: Convert to fraction form
    34,958.79/48,243.02 = 19,043.19/x
  3. Step 3: Cross multiply
    34,958.79x = 48,243.02 × 19,043.19
  4. Step 4: Simplify right side
    34,958.79x = 918,700,900.82
  5. Step 5: Solve for x
    x = 918,700,900.82/34,958.79
  6. Step 6: Final answer
    x = 26,279.54

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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.