Home / 34,539.23-47,660.76-19,431.56

Finding the Fourth Proportional to 34,539.23, 47,660.76 and 19,431.56

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Solution

The fourth proportional to 34,539.23, 47,660.76 and 19,431.56 is: 26,813.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,539.23 : 47,660.76 = 19,431.56 : x
  2. Step 2: Convert to fraction form
    34,539.23/47,660.76 = 19,431.56/x
  3. Step 3: Cross multiply
    34,539.23x = 47,660.76 × 19,431.56
  4. Step 4: Simplify right side
    34,539.23x = 926,123,036.74
  5. Step 5: Solve for x
    x = 926,123,036.74/34,539.23
  6. Step 6: Final answer
    x = 26,813.65

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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.