Home / 31,670.06-47,518.88-19,850.92

Finding the Fourth Proportional to 31,670.06, 47,518.88 and 19,850.92

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Solution

The fourth proportional to 31,670.06, 47,518.88 and 19,850.92 is: 29,785.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,670.06 : 47,518.88 = 19,850.92 : x
  2. Step 2: Convert to fraction form
    31,670.06/47,518.88 = 19,850.92/x
  3. Step 3: Cross multiply
    31,670.06x = 47,518.88 × 19,850.92
  4. Step 4: Simplify right side
    31,670.06x = 943,293,590.44
  5. Step 5: Solve for x
    x = 943,293,590.44/31,670.06
  6. Step 6: Final answer
    x = 29,785.02

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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.