Home / 71,239.21-98,310.18-39,410.26

Finding the Fourth Proportional to 71,239.21, 98,310.18 and 39,410.26

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Solution

The fourth proportional to 71,239.21, 98,310.18 and 39,410.26 is: 54,386.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,239.21 : 98,310.18 = 39,410.26 : x
  2. Step 2: Convert to fraction form
    71,239.21/98,310.18 = 39,410.26/x
  3. Step 3: Cross multiply
    71,239.21x = 98,310.18 × 39,410.26
  4. Step 4: Simplify right side
    71,239.21x = 3,874,429,754.45
  5. Step 5: Solve for x
    x = 3,874,429,754.45/71,239.21
  6. Step 6: Final answer
    x = 54,386.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.