Home / 31,513.17-47,220.47-26,813.85

Finding the Fourth Proportional to 31,513.17, 47,220.47 and 26,813.85

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Solution

The fourth proportional to 31,513.17, 47,220.47 and 26,813.85 is: 40,178.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,513.17 : 47,220.47 = 26,813.85 : x
  2. Step 2: Convert to fraction form
    31,513.17/47,220.47 = 26,813.85/x
  3. Step 3: Cross multiply
    31,513.17x = 47,220.47 × 26,813.85
  4. Step 4: Simplify right side
    31,513.17x = 1,266,162,654.53
  5. Step 5: Solve for x
    x = 1,266,162,654.53/31,513.17
  6. Step 6: Final answer
    x = 40,178.84

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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.