Home / 74,964.71-112,447.08-30,612.35

Finding the Fourth Proportional to 74,964.71, 112,447.08 and 30,612.35

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Solution

The fourth proportional to 74,964.71, 112,447.08 and 30,612.35 is: 45,918.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,964.71 : 112,447.08 = 30,612.35 : x
  2. Step 2: Convert to fraction form
    74,964.71/112,447.08 = 30,612.35/x
  3. Step 3: Cross multiply
    74,964.71x = 112,447.08 × 30,612.35
  4. Step 4: Simplify right side
    74,964.71x = 3,442,269,369.44
  5. Step 5: Solve for x
    x = 3,442,269,369.44/74,964.71
  6. Step 6: Final answer
    x = 45,918.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.