Home / 74,856.96-112,290.24-30,459.48

Finding the Fourth Proportional to 74,856.96, 112,290.24 and 30,459.48

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Solution

The fourth proportional to 74,856.96, 112,290.24 and 30,459.48 is: 45,691.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,856.96 : 112,290.24 = 30,459.48 : x
  2. Step 2: Convert to fraction form
    74,856.96/112,290.24 = 30,459.48/x
  3. Step 3: Cross multiply
    74,856.96x = 112,290.24 × 30,459.48
  4. Step 4: Simplify right side
    74,856.96x = 3,420,302,319.48
  5. Step 5: Solve for x
    x = 3,420,302,319.48/74,856.96
  6. Step 6: Final answer
    x = 45,691.17

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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.