Home / 54,342.79-74,988.92-30,464.94

Finding the Fourth Proportional to 54,342.79, 74,988.92 and 30,464.94

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Solution

The fourth proportional to 54,342.79, 74,988.92 and 30,464.94 is: 42,039.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,342.79 : 74,988.92 = 30,464.94 : x
  2. Step 2: Convert to fraction form
    54,342.79/74,988.92 = 30,464.94/x
  3. Step 3: Cross multiply
    54,342.79x = 74,988.92 × 30,464.94
  4. Step 4: Simplify right side
    54,342.79x = 2,284,532,948.46
  5. Step 5: Solve for x
    x = 2,284,532,948.46/54,342.79
  6. Step 6: Final answer
    x = 42,039.30

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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.