Home / 31,566.32-47,317.44-20,480.08

Finding the Fourth Proportional to 31,566.32, 47,317.44 and 20,480.08

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Solution

The fourth proportional to 31,566.32, 47,317.44 and 20,480.08 is: 30,699.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,566.32 : 47,317.44 = 20,480.08 : x
  2. Step 2: Convert to fraction form
    31,566.32/47,317.44 = 20,480.08/x
  3. Step 3: Cross multiply
    31,566.32x = 47,317.44 × 20,480.08
  4. Step 4: Simplify right side
    31,566.32x = 969,064,956.60
  5. Step 5: Solve for x
    x = 969,064,956.60/31,566.32
  6. Step 6: Final answer
    x = 30,699.33

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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.