Home / 31,404.48-47,091.52-18,260.32

Finding the Fourth Proportional to 31,404.48, 47,091.52 and 18,260.32

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Solution

The fourth proportional to 31,404.48, 47,091.52 and 18,260.32 is: 27,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,404.48 : 47,091.52 = 18,260.32 : x
  2. Step 2: Convert to fraction form
    31,404.48/47,091.52 = 18,260.32/x
  3. Step 3: Cross multiply
    31,404.48x = 47,091.52 × 18,260.32
  4. Step 4: Simplify right side
    31,404.48x = 859,906,224.49
  5. Step 5: Solve for x
    x = 859,906,224.49/31,404.48
  6. Step 6: Final answer
    x = 27,381.64

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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.