Home / 45,631.08-68,457.15-19,336.86

Finding the Fourth Proportional to 45,631.08, 68,457.15 and 19,336.86

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Solution

The fourth proportional to 45,631.08, 68,457.15 and 19,336.86 is: 29,009.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,631.08 : 68,457.15 = 19,336.86 : x
  2. Step 2: Convert to fraction form
    45,631.08/68,457.15 = 19,336.86/x
  3. Step 3: Cross multiply
    45,631.08x = 68,457.15 × 19,336.86
  4. Step 4: Simplify right side
    45,631.08x = 1,323,746,325.55
  5. Step 5: Solve for x
    x = 1,323,746,325.55/45,631.08
  6. Step 6: Final answer
    x = 29,009.75

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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.