Home / 31,885.07-47,803.80-21,996.14

Finding the Fourth Proportional to 31,885.07, 47,803.80 and 21,996.14

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Solution

The fourth proportional to 31,885.07, 47,803.80 and 21,996.14 is: 32,977.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,885.07 : 47,803.80 = 21,996.14 : x
  2. Step 2: Convert to fraction form
    31,885.07/47,803.80 = 21,996.14/x
  3. Step 3: Cross multiply
    31,885.07x = 47,803.80 × 21,996.14
  4. Step 4: Simplify right side
    31,885.07x = 1,051,499,077.33
  5. Step 5: Solve for x
    x = 1,051,499,077.33/31,885.07
  6. Step 6: Final answer
    x = 32,977.79

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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.