Home / 31,351.60-47,046.91-19,528.59

Finding the Fourth Proportional to 31,351.60, 47,046.91 and 19,528.59

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Solution

The fourth proportional to 31,351.60, 47,046.91 and 19,528.59 is: 29,305.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,351.60 : 47,046.91 = 19,528.59 : x
  2. Step 2: Convert to fraction form
    31,351.60/47,046.91 = 19,528.59/x
  3. Step 3: Cross multiply
    31,351.60x = 47,046.91 × 19,528.59
  4. Step 4: Simplify right side
    31,351.60x = 918,759,816.16
  5. Step 5: Solve for x
    x = 918,759,816.16/31,351.60
  6. Step 6: Final answer
    x = 29,305.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.