Home / 54,573.05-75,310.70-30,699.74

Finding the Fourth Proportional to 54,573.05, 75,310.70 and 30,699.74

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Solution

The fourth proportional to 54,573.05, 75,310.70 and 30,699.74 is: 42,365.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,573.05 : 75,310.70 = 30,699.74 : x
  2. Step 2: Convert to fraction form
    54,573.05/75,310.70 = 30,699.74/x
  3. Step 3: Cross multiply
    54,573.05x = 75,310.70 × 30,699.74
  4. Step 4: Simplify right side
    54,573.05x = 2,312,019,373.01
  5. Step 5: Solve for x
    x = 2,312,019,373.01/54,573.05
  6. Step 6: Final answer
    x = 42,365.59

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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.