Home / 55,358.64-76,395.48-30,208.56

Finding the Fourth Proportional to 55,358.64, 76,395.48 and 30,208.56

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Solution

The fourth proportional to 55,358.64, 76,395.48 and 30,208.56 is: 41,688.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,358.64 : 76,395.48 = 30,208.56 : x
  2. Step 2: Convert to fraction form
    55,358.64/76,395.48 = 30,208.56/x
  3. Step 3: Cross multiply
    55,358.64x = 76,395.48 × 30,208.56
  4. Step 4: Simplify right side
    55,358.64x = 2,307,797,441.31
  5. Step 5: Solve for x
    x = 2,307,797,441.31/55,358.64
  6. Step 6: Final answer
    x = 41,688.12

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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.