Home / 54,345.36-75,028.78-34,219.50

Finding the Fourth Proportional to 54,345.36, 75,028.78 and 34,219.50

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Solution

The fourth proportional to 54,345.36, 75,028.78 and 34,219.50 is: 47,243.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,345.36 : 75,028.78 = 34,219.50 : x
  2. Step 2: Convert to fraction form
    54,345.36/75,028.78 = 34,219.50/x
  3. Step 3: Cross multiply
    54,345.36x = 75,028.78 × 34,219.50
  4. Step 4: Simplify right side
    54,345.36x = 2,567,447,337.21
  5. Step 5: Solve for x
    x = 2,567,447,337.21/54,345.36
  6. Step 6: Final answer
    x = 47,243.17

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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.