Home / 54,444.52-81,986.56-47,507.28

Finding the Fourth Proportional to 54,444.52, 81,986.56 and 47,507.28

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Solution

The fourth proportional to 54,444.52, 81,986.56 and 47,507.28 is: 71,539.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,444.52 : 81,986.56 = 47,507.28 : x
  2. Step 2: Convert to fraction form
    54,444.52/81,986.56 = 47,507.28/x
  3. Step 3: Cross multiply
    54,444.52x = 81,986.56 × 47,507.28
  4. Step 4: Simplify right side
    54,444.52x = 3,894,958,462.16
  5. Step 5: Solve for x
    x = 3,894,958,462.16/54,444.52
  6. Step 6: Final answer
    x = 71,539.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.