Home / 29,314.21-43,970.70-7,127.70

Finding the Fourth Proportional to 29,314.21, 43,970.70 and 7,127.70

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Solution

The fourth proportional to 29,314.21, 43,970.70 and 7,127.70 is: 10,691.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,314.21 : 43,970.70 = 7,127.70 : x
  2. Step 2: Convert to fraction form
    29,314.21/43,970.70 = 7,127.70/x
  3. Step 3: Cross multiply
    29,314.21x = 43,970.70 × 7,127.70
  4. Step 4: Simplify right side
    29,314.21x = 313,409,702.90
  5. Step 5: Solve for x
    x = 313,409,702.90/29,314.21
  6. Step 6: Final answer
    x = 10,691.39

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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.