Home / 74,875.42-112,216.19-30,450.57

Finding the Fourth Proportional to 74,875.42, 112,216.19 and 30,450.57

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Solution

The fourth proportional to 74,875.42, 112,216.19 and 30,450.57 is: 45,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,875.42 : 112,216.19 = 30,450.57 : x
  2. Step 2: Convert to fraction form
    74,875.42/112,216.19 = 30,450.57/x
  3. Step 3: Cross multiply
    74,875.42x = 112,216.19 × 30,450.57
  4. Step 4: Simplify right side
    74,875.42x = 3,417,046,375.66
  5. Step 5: Solve for x
    x = 3,417,046,375.66/74,875.42
  6. Step 6: Final answer
    x = 45,636.42

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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.