Home / 31,356.76-47,012.10-15,758.68

Finding the Fourth Proportional to 31,356.76, 47,012.10 and 15,758.68

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Solution

The fourth proportional to 31,356.76, 47,012.10 and 15,758.68 is: 23,626.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,356.76 : 47,012.10 = 15,758.68 : x
  2. Step 2: Convert to fraction form
    31,356.76/47,012.10 = 15,758.68/x
  3. Step 3: Cross multiply
    31,356.76x = 47,012.10 × 15,758.68
  4. Step 4: Simplify right side
    31,356.76x = 740,848,640.03
  5. Step 5: Solve for x
    x = 740,848,640.03/31,356.76
  6. Step 6: Final answer
    x = 23,626.44

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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.