Home / 54,182.93-81,277.58-20,903.16

Finding the Fourth Proportional to 54,182.93, 81,277.58 and 20,903.16

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Solution

The fourth proportional to 54,182.93, 81,277.58 and 20,903.16 is: 31,355.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,182.93 : 81,277.58 = 20,903.16 : x
  2. Step 2: Convert to fraction form
    54,182.93/81,277.58 = 20,903.16/x
  3. Step 3: Cross multiply
    54,182.93x = 81,277.58 × 20,903.16
  4. Step 4: Simplify right side
    54,182.93x = 1,698,958,498.62
  5. Step 5: Solve for x
    x = 1,698,958,498.62/54,182.93
  6. Step 6: Final answer
    x = 31,355.98

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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.