Home / 71,037.90-106,529.01-26,640.45

Finding the Fourth Proportional to 71,037.90, 106,529.01 and 26,640.45

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Solution

The fourth proportional to 71,037.90, 106,529.01 and 26,640.45 is: 39,950.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,037.90 : 106,529.01 = 26,640.45 : x
  2. Step 2: Convert to fraction form
    71,037.90/106,529.01 = 26,640.45/x
  3. Step 3: Cross multiply
    71,037.90x = 106,529.01 × 26,640.45
  4. Step 4: Simplify right side
    71,037.90x = 2,837,980,764.45
  5. Step 5: Solve for x
    x = 2,837,980,764.45/71,037.90
  6. Step 6: Final answer
    x = 39,950.23

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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.