Home / 54,428.15-75,106.76-30,550.25

Finding the Fourth Proportional to 54,428.15, 75,106.76 and 30,550.25

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Solution

The fourth proportional to 54,428.15, 75,106.76 and 30,550.25 is: 42,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,428.15 : 75,106.76 = 30,550.25 : x
  2. Step 2: Convert to fraction form
    54,428.15/75,106.76 = 30,550.25/x
  3. Step 3: Cross multiply
    54,428.15x = 75,106.76 × 30,550.25
  4. Step 4: Simplify right side
    54,428.15x = 2,294,529,766.40
  5. Step 5: Solve for x
    x = 2,294,529,766.40/54,428.15
  6. Step 6: Final answer
    x = 42,157.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.