Home / 54,403.71-75,077.15-30,530.37

Finding the Fourth Proportional to 54,403.71, 75,077.15 and 30,530.37

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Solution

The fourth proportional to 54,403.71, 75,077.15 and 30,530.37 is: 42,131.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,403.71 : 75,077.15 = 30,530.37 : x
  2. Step 2: Convert to fraction form
    54,403.71/75,077.15 = 30,530.37/x
  3. Step 3: Cross multiply
    54,403.71x = 75,077.15 × 30,530.37
  4. Step 4: Simplify right side
    54,403.71x = 2,292,133,168.05
  5. Step 5: Solve for x
    x = 2,292,133,168.05/54,403.71
  6. Step 6: Final answer
    x = 42,131.93

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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.