Home / 45,426.66-68,120.55-15,835.74

Finding the Fourth Proportional to 45,426.66, 68,120.55 and 15,835.74

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Solution

The fourth proportional to 45,426.66, 68,120.55 and 15,835.74 is: 23,746.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,426.66 : 68,120.55 = 15,835.74 : x
  2. Step 2: Convert to fraction form
    45,426.66/68,120.55 = 15,835.74/x
  3. Step 3: Cross multiply
    45,426.66x = 68,120.55 × 15,835.74
  4. Step 4: Simplify right side
    45,426.66x = 1,078,739,318.46
  5. Step 5: Solve for x
    x = 1,078,739,318.46/45,426.66
  6. Step 6: Final answer
    x = 23,746.83

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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.