Home / 31,801.54-47,646.18-19,296.18

Finding the Fourth Proportional to 31,801.54, 47,646.18 and 19,296.18

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Solution

The fourth proportional to 31,801.54, 47,646.18 and 19,296.18 is: 28,910.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,801.54 : 47,646.18 = 19,296.18 : x
  2. Step 2: Convert to fraction form
    31,801.54/47,646.18 = 19,296.18/x
  3. Step 3: Cross multiply
    31,801.54x = 47,646.18 × 19,296.18
  4. Step 4: Simplify right side
    31,801.54x = 919,389,265.59
  5. Step 5: Solve for x
    x = 919,389,265.59/31,801.54
  6. Step 6: Final answer
    x = 28,910.21

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1.5x scale

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.