Home / 35,107.62-52,668.27-12,921.18

Finding the Fourth Proportional to 35,107.62, 52,668.27 and 12,921.18

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Solution

The fourth proportional to 35,107.62, 52,668.27 and 12,921.18 is: 19,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,107.62 : 52,668.27 = 12,921.18 : x
  2. Step 2: Convert to fraction form
    35,107.62/52,668.27 = 12,921.18/x
  3. Step 3: Cross multiply
    35,107.62x = 52,668.27 × 12,921.18
  4. Step 4: Simplify right side
    35,107.62x = 680,536,196.96
  5. Step 5: Solve for x
    x = 680,536,196.96/35,107.62
  6. Step 6: Final answer
    x = 19,384.29

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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.