Home / 49,317.12-68,047.56-28,090.80

Finding the Fourth Proportional to 49,317.12, 68,047.56 and 28,090.80

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Solution

The fourth proportional to 49,317.12, 68,047.56 and 28,090.80 is: 38,759.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,317.12 : 68,047.56 = 28,090.80 : x
  2. Step 2: Convert to fraction form
    49,317.12/68,047.56 = 28,090.80/x
  3. Step 3: Cross multiply
    49,317.12x = 68,047.56 × 28,090.80
  4. Step 4: Simplify right side
    49,317.12x = 1,911,510,398.45
  5. Step 5: Solve for x
    x = 1,911,510,398.45/49,317.12
  6. Step 6: Final answer
    x = 38,759.57

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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.