Home / 35,147.17-52,721.36-12,949.12

Finding the Fourth Proportional to 35,147.17, 52,721.36 and 12,949.12

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Solution

The fourth proportional to 35,147.17, 52,721.36 and 12,949.12 is: 19,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,147.17 : 52,721.36 = 12,949.12 : x
  2. Step 2: Convert to fraction form
    35,147.17/52,721.36 = 12,949.12/x
  3. Step 3: Cross multiply
    35,147.17x = 52,721.36 × 12,949.12
  4. Step 4: Simplify right side
    35,147.17x = 682,695,117.77
  5. Step 5: Solve for x
    x = 682,695,117.77/35,147.17
  6. Step 6: Final answer
    x = 19,423.90

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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.