Home / 39,800.56-54,958-35,544.12

Finding the Fourth Proportional to 39,800.56, 54,958 and 35,544.12

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Solution

The fourth proportional to 39,800.56, 54,958 and 35,544.12 is: 49,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,800.56 : 54,958 = 35,544.12 : x
  2. Step 2: Convert to fraction form
    39,800.56/54,958 = 35,544.12/x
  3. Step 3: Cross multiply
    39,800.56x = 54,958 × 35,544.12
  4. Step 4: Simplify right side
    39,800.56x = 1,953,433,746.96
  5. Step 5: Solve for x
    x = 1,953,433,746.96/39,800.56
  6. Step 6: Final answer
    x = 49,080.56

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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.