Home / 54,572.88-75,310.08-30,699.74

Finding the Fourth Proportional to 54,572.88, 75,310.08 and 30,699.74

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Solution

The fourth proportional to 54,572.88, 75,310.08 and 30,699.74 is: 42,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,572.88 : 75,310.08 = 30,699.74 : x
  2. Step 2: Convert to fraction form
    54,572.88/75,310.08 = 30,699.74/x
  3. Step 3: Cross multiply
    54,572.88x = 75,310.08 × 30,699.74
  4. Step 4: Simplify right side
    54,572.88x = 2,311,999,498.83
  5. Step 5: Solve for x
    x = 2,311,999,498.83/54,572.88
  6. Step 6: Final answer
    x = 42,365.36

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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.