Home / 35,018.28-52,502.82-12,828.78

Finding the Fourth Proportional to 35,018.28, 52,502.82 and 12,828.78

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Solution

The fourth proportional to 35,018.28, 52,502.82 and 12,828.78 is: 19,234.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,018.28 : 52,502.82 = 12,828.78 : x
  2. Step 2: Convert to fraction form
    35,018.28/52,502.82 = 12,828.78/x
  3. Step 3: Cross multiply
    35,018.28x = 52,502.82 × 12,828.78
  4. Step 4: Simplify right side
    35,018.28x = 673,547,127.16
  5. Step 5: Solve for x
    x = 673,547,127.16/35,018.28
  6. Step 6: Final answer
    x = 19,234.16

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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.