Home / 54,564.69-75,298.55-30,691.35

Finding the Fourth Proportional to 54,564.69, 75,298.55 and 30,691.35

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Solution

The fourth proportional to 54,564.69, 75,298.55 and 30,691.35 is: 42,353.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,564.69 : 75,298.55 = 30,691.35 : x
  2. Step 2: Convert to fraction form
    54,564.69/75,298.55 = 30,691.35/x
  3. Step 3: Cross multiply
    54,564.69x = 75,298.55 × 30,691.35
  4. Step 4: Simplify right side
    54,564.69x = 2,311,013,999.09
  5. Step 5: Solve for x
    x = 2,311,013,999.09/54,564.69
  6. Step 6: Final answer
    x = 42,353.65

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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.