Home / 54,319.40-81,284.70-49,653.80

Finding the Fourth Proportional to 54,319.40, 81,284.70 and 49,653.80

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Solution

The fourth proportional to 54,319.40, 81,284.70 and 49,653.80 is: 74,303.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,319.40 : 81,284.70 = 49,653.80 : x
  2. Step 2: Convert to fraction form
    54,319.40/81,284.70 = 49,653.80/x
  3. Step 3: Cross multiply
    54,319.40x = 81,284.70 × 49,653.80
  4. Step 4: Simplify right side
    54,319.40x = 4,036,094,236.86
  5. Step 5: Solve for x
    x = 4,036,094,236.86/54,319.40
  6. Step 6: Final answer
    x = 74,303.00

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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.