Home / 74,885.32-112,231.02-30,460.12

Finding the Fourth Proportional to 74,885.32, 112,231.02 and 30,460.12

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Solution

The fourth proportional to 74,885.32, 112,231.02 and 30,460.12 is: 45,650.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,885.32 : 112,231.02 = 30,460.12 : x
  2. Step 2: Convert to fraction form
    74,885.32/112,231.02 = 30,460.12/x
  3. Step 3: Cross multiply
    74,885.32x = 112,231.02 × 30,460.12
  4. Step 4: Simplify right side
    74,885.32x = 3,418,570,336.92
  5. Step 5: Solve for x
    x = 3,418,570,336.92/74,885.32
  6. Step 6: Final answer
    x = 45,650.74

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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.