Home / 54,887.94-75,749.81-31,019.57

Finding the Fourth Proportional to 54,887.94, 75,749.81 and 31,019.57

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Solution

The fourth proportional to 54,887.94, 75,749.81 and 31,019.57 is: 42,809.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,887.94 : 75,749.81 = 31,019.57 : x
  2. Step 2: Convert to fraction form
    54,887.94/75,749.81 = 31,019.57/x
  3. Step 3: Cross multiply
    54,887.94x = 75,749.81 × 31,019.57
  4. Step 4: Simplify right side
    54,887.94x = 2,349,726,533.78
  5. Step 5: Solve for x
    x = 2,349,726,533.78/54,887.94
  6. Step 6: Final answer
    x = 42,809.52

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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.