Home / 31,579.00-47,402.62-28,091.34

Finding the Fourth Proportional to 31,579.00, 47,402.62 and 28,091.34

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Solution

The fourth proportional to 31,579.00, 47,402.62 and 28,091.34 is: 42,167.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,579.00 : 47,402.62 = 28,091.34 : x
  2. Step 2: Convert to fraction form
    31,579.00/47,402.62 = 28,091.34/x
  3. Step 3: Cross multiply
    31,579.00x = 47,402.62 × 28,091.34
  4. Step 4: Simplify right side
    31,579.00x = 1,331,603,045.08
  5. Step 5: Solve for x
    x = 1,331,603,045.08/31,579.00
  6. Step 6: Final answer
    x = 42,167.36

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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.