Home / 44,210.90-66,318.78-12,618.47

Finding the Fourth Proportional to 44,210.90, 66,318.78 and 12,618.47

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Solution

The fourth proportional to 44,210.90, 66,318.78 and 12,618.47 is: 18,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,210.90 : 66,318.78 = 12,618.47 : x
  2. Step 2: Convert to fraction form
    44,210.90/66,318.78 = 12,618.47/x
  3. Step 3: Cross multiply
    44,210.90x = 66,318.78 × 12,618.47
  4. Step 4: Simplify right side
    44,210.90x = 836,841,535.87
  5. Step 5: Solve for x
    x = 836,841,535.87/44,210.90
  6. Step 6: Final answer
    x = 18,928.40

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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.