Home / 31,645.05-47,444.16-19,162.14

Finding the Fourth Proportional to 31,645.05, 47,444.16 and 19,162.14

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Solution

The fourth proportional to 31,645.05, 47,444.16 and 19,162.14 is: 28,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,645.05 : 47,444.16 = 19,162.14 : x
  2. Step 2: Convert to fraction form
    31,645.05/47,444.16 = 19,162.14/x
  3. Step 3: Cross multiply
    31,645.05x = 47,444.16 × 19,162.14
  4. Step 4: Simplify right side
    31,645.05x = 909,131,530.04
  5. Step 5: Solve for x
    x = 909,131,530.04/31,645.05
  6. Step 6: Final answer
    x = 28,729.03

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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.