Home / 31,985.05-47,977.59-17,200.93

Finding the Fourth Proportional to 31,985.05, 47,977.59 and 17,200.93

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Solution

The fourth proportional to 31,985.05, 47,977.59 and 17,200.93 is: 25,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,985.05 : 47,977.59 = 17,200.93 : x
  2. Step 2: Convert to fraction form
    31,985.05/47,977.59 = 17,200.93/x
  3. Step 3: Cross multiply
    31,985.05x = 47,977.59 × 17,200.93
  4. Step 4: Simplify right side
    31,985.05x = 825,259,167.16
  5. Step 5: Solve for x
    x = 825,259,167.16/31,985.05
  6. Step 6: Final answer
    x = 25,801.40

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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.