Home / 44,643.05-66,963.96-13,478.30

Finding the Fourth Proportional to 44,643.05, 66,963.96 and 13,478.30

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Solution

The fourth proportional to 44,643.05, 66,963.96 and 13,478.30 is: 20,217.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,643.05 : 66,963.96 = 13,478.30 : x
  2. Step 2: Convert to fraction form
    44,643.05/66,963.96 = 13,478.30/x
  3. Step 3: Cross multiply
    44,643.05x = 66,963.96 × 13,478.30
  4. Step 4: Simplify right side
    44,643.05x = 902,560,342.07
  5. Step 5: Solve for x
    x = 902,560,342.07/44,643.05
  6. Step 6: Final answer
    x = 20,217.26

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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.