Home / 54,437.00-81,642.74-28,127.39

Finding the Fourth Proportional to 54,437.00, 81,642.74 and 28,127.39

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Solution

The fourth proportional to 54,437.00, 81,642.74 and 28,127.39 is: 42,184.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,437.00 : 81,642.74 = 28,127.39 : x
  2. Step 2: Convert to fraction form
    54,437.00/81,642.74 = 28,127.39/x
  3. Step 3: Cross multiply
    54,437.00x = 81,642.74 × 28,127.39
  4. Step 4: Simplify right side
    54,437.00x = 2,296,396,639.80
  5. Step 5: Solve for x
    x = 2,296,396,639.80/54,437.00
  6. Step 6: Final answer
    x = 42,184.49

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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.