Home / 54,478.14-81,607.86-39,718.32

Finding the Fourth Proportional to 54,478.14, 81,607.86 and 39,718.32

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Solution

The fourth proportional to 54,478.14, 81,607.86 and 39,718.32 is: 59,497.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,478.14 : 81,607.86 = 39,718.32 : x
  2. Step 2: Convert to fraction form
    54,478.14/81,607.86 = 39,718.32/x
  3. Step 3: Cross multiply
    54,478.14x = 81,607.86 × 39,718.32
  4. Step 4: Simplify right side
    54,478.14x = 3,241,327,098.00
  5. Step 5: Solve for x
    x = 3,241,327,098.00/54,478.14
  6. Step 6: Final answer
    x = 59,497.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.