Home / 47,153.91-70,708.98-27,438.12

Finding the Fourth Proportional to 47,153.91, 70,708.98 and 27,438.12

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Solution

The fourth proportional to 47,153.91, 70,708.98 and 27,438.12 is: 41,144.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,153.91 : 70,708.98 = 27,438.12 : x
  2. Step 2: Convert to fraction form
    47,153.91/70,708.98 = 27,438.12/x
  3. Step 3: Cross multiply
    47,153.91x = 70,708.98 × 27,438.12
  4. Step 4: Simplify right side
    47,153.91x = 1,940,121,478.32
  5. Step 5: Solve for x
    x = 1,940,121,478.32/47,153.91
  6. Step 6: Final answer
    x = 41,144.45

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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.