Home / 31,476.82-47,177.67-21,937.48

Finding the Fourth Proportional to 31,476.82, 47,177.67 and 21,937.48

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Solution

The fourth proportional to 31,476.82, 47,177.67 and 21,937.48 is: 32,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,476.82 : 47,177.67 = 21,937.48 : x
  2. Step 2: Convert to fraction form
    31,476.82/47,177.67 = 21,937.48/x
  3. Step 3: Cross multiply
    31,476.82x = 47,177.67 × 21,937.48
  4. Step 4: Simplify right side
    31,476.82x = 1,034,959,421.77
  5. Step 5: Solve for x
    x = 1,034,959,421.77/31,476.82
  6. Step 6: Final answer
    x = 32,880.05

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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.