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Finding the Fourth Proportional to 34,955.76, 48,239.52 and 19,040.88

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Solution

The fourth proportional to 34,955.76, 48,239.52 and 19,040.88 is: 26,276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,955.76 : 48,239.52 = 19,040.88 : x
  2. Step 2: Convert to fraction form
    34,955.76/48,239.52 = 19,040.88/x
  3. Step 3: Cross multiply
    34,955.76x = 48,239.52 × 19,040.88
  4. Step 4: Simplify right side
    34,955.76x = 918,522,911.58
  5. Step 5: Solve for x
    x = 918,522,911.58/34,955.76
  6. Step 6: Final answer
    x = 26,276.73

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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.