Home / 49,415.40-68,263.56-39,841.20

Finding the Fourth Proportional to 49,415.40, 68,263.56 and 39,841.20

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Solution

The fourth proportional to 49,415.40, 68,263.56 and 39,841.20 is: 55,037.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,415.40 : 68,263.56 = 39,841.20 : x
  2. Step 2: Convert to fraction form
    49,415.40/68,263.56 = 39,841.20/x
  3. Step 3: Cross multiply
    49,415.40x = 68,263.56 × 39,841.20
  4. Step 4: Simplify right side
    49,415.40x = 2,719,702,146.67
  5. Step 5: Solve for x
    x = 2,719,702,146.67/49,415.40
  6. Step 6: Final answer
    x = 55,037.54

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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.