Home / 31,842.32-47,485.51-27,911.78

Finding the Fourth Proportional to 31,842.32, 47,485.51 and 27,911.78

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Solution

The fourth proportional to 31,842.32, 47,485.51 and 27,911.78 is: 41,624.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,842.32 : 47,485.51 = 27,911.78 : x
  2. Step 2: Convert to fraction form
    31,842.32/47,485.51 = 27,911.78/x
  3. Step 3: Cross multiply
    31,842.32x = 47,485.51 × 27,911.78
  4. Step 4: Simplify right side
    31,842.32x = 1,325,404,968.75
  5. Step 5: Solve for x
    x = 1,325,404,968.75/31,842.32
  6. Step 6: Final answer
    x = 41,624.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.