Home / 35,179.48-52,769.90-12,981.43

Finding the Fourth Proportional to 35,179.48, 52,769.90 and 12,981.43

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Solution

The fourth proportional to 35,179.48, 52,769.90 and 12,981.43 is: 19,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,179.48 : 52,769.90 = 12,981.43 : x
  2. Step 2: Convert to fraction form
    35,179.48/52,769.90 = 12,981.43/x
  3. Step 3: Cross multiply
    35,179.48x = 52,769.90 × 12,981.43
  4. Step 4: Simplify right side
    35,179.48x = 685,028,762.96
  5. Step 5: Solve for x
    x = 685,028,762.96/35,179.48
  6. Step 6: Final answer
    x = 19,472.40

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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.