Home / 56,311.63-84,378.53-45,730.17

Finding the Fourth Proportional to 56,311.63, 84,378.53 and 45,730.17

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Solution

The fourth proportional to 56,311.63, 84,378.53 and 45,730.17 is: 68,523.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,311.63 : 84,378.53 = 45,730.17 : x
  2. Step 2: Convert to fraction form
    56,311.63/84,378.53 = 45,730.17/x
  3. Step 3: Cross multiply
    56,311.63x = 84,378.53 × 45,730.17
  4. Step 4: Simplify right side
    56,311.63x = 3,858,644,635.58
  5. Step 5: Solve for x
    x = 3,858,644,635.58/56,311.63
  6. Step 6: Final answer
    x = 68,523.05

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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.