Home / 31,683.70-47,505.49-26,985.29

Finding the Fourth Proportional to 31,683.70, 47,505.49 and 26,985.29

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Solution

The fourth proportional to 31,683.70, 47,505.49 and 26,985.29 is: 40,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,683.70 : 47,505.49 = 26,985.29 : x
  2. Step 2: Convert to fraction form
    31,683.70/47,505.49 = 26,985.29/x
  3. Step 3: Cross multiply
    31,683.70x = 47,505.49 × 26,985.29
  4. Step 4: Simplify right side
    31,683.70x = 1,281,949,424.24
  5. Step 5: Solve for x
    x = 1,281,949,424.24/31,683.70
  6. Step 6: Final answer
    x = 40,460.85

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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.