Home / 31,595.16-47,369.36-19,112.15

Finding the Fourth Proportional to 31,595.16, 47,369.36 and 19,112.15

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Solution

The fourth proportional to 31,595.16, 47,369.36 and 19,112.15 is: 28,654.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,595.16 : 47,369.36 = 19,112.15 : x
  2. Step 2: Convert to fraction form
    31,595.16/47,369.36 = 19,112.15/x
  3. Step 3: Cross multiply
    31,595.16x = 47,369.36 × 19,112.15
  4. Step 4: Simplify right side
    31,595.16x = 905,330,372.42
  5. Step 5: Solve for x
    x = 905,330,372.42/31,595.16
  6. Step 6: Final answer
    x = 28,654.08

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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.