Home / 31,492.44-47,238.62-21,601.76

Finding the Fourth Proportional to 31,492.44, 47,238.62 and 21,601.76

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Solution

The fourth proportional to 31,492.44, 47,238.62 and 21,601.76 is: 32,402.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,492.44 : 47,238.62 = 21,601.76 : x
  2. Step 2: Convert to fraction form
    31,492.44/47,238.62 = 21,601.76/x
  3. Step 3: Cross multiply
    31,492.44x = 47,238.62 × 21,601.76
  4. Step 4: Simplify right side
    31,492.44x = 1,020,436,987.77
  5. Step 5: Solve for x
    x = 1,020,436,987.77/31,492.44
  6. Step 6: Final answer
    x = 32,402.60

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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.