Home / 34,658.20-47,828.80-19,551.56

Finding the Fourth Proportional to 34,658.20, 47,828.80 and 19,551.56

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Solution

The fourth proportional to 34,658.20, 47,828.80 and 19,551.56 is: 26,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,658.20 : 47,828.80 = 19,551.56 : x
  2. Step 2: Convert to fraction form
    34,658.20/47,828.80 = 19,551.56/x
  3. Step 3: Cross multiply
    34,658.20x = 47,828.80 × 19,551.56
  4. Step 4: Simplify right side
    34,658.20x = 935,127,652.93
  5. Step 5: Solve for x
    x = 935,127,652.93/34,658.20
  6. Step 6: Final answer
    x = 26,981.43

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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.