Home / 31,521.60-43,499.88-17,374.32

Finding the Fourth Proportional to 31,521.60, 43,499.88 and 17,374.32

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Solution

The fourth proportional to 31,521.60, 43,499.88 and 17,374.32 is: 23,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,521.60 : 43,499.88 = 17,374.32 : x
  2. Step 2: Convert to fraction form
    31,521.60/43,499.88 = 17,374.32/x
  3. Step 3: Cross multiply
    31,521.60x = 43,499.88 × 17,374.32
  4. Step 4: Simplify right side
    31,521.60x = 755,780,835.08
  5. Step 5: Solve for x
    x = 755,780,835.08/31,521.60
  6. Step 6: Final answer
    x = 23,976.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.