Home / 54,759.92-75,579.64-30,887.06

Finding the Fourth Proportional to 54,759.92, 75,579.64 and 30,887.06

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Solution

The fourth proportional to 54,759.92, 75,579.64 and 30,887.06 is: 42,630.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,759.92 : 75,579.64 = 30,887.06 : x
  2. Step 2: Convert to fraction form
    54,759.92/75,579.64 = 30,887.06/x
  3. Step 3: Cross multiply
    54,759.92x = 75,579.64 × 30,887.06
  4. Step 4: Simplify right side
    54,759.92x = 2,334,432,875.46
  5. Step 5: Solve for x
    x = 2,334,432,875.46/54,759.92
  6. Step 6: Final answer
    x = 42,630.32

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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.