Home / 35,916.78-53,875.20-11,292.78

Finding the Fourth Proportional to 35,916.78, 53,875.20 and 11,292.78

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Solution

The fourth proportional to 35,916.78, 53,875.20 and 11,292.78 is: 16,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,916.78 : 53,875.20 = 11,292.78 : x
  2. Step 2: Convert to fraction form
    35,916.78/53,875.20 = 11,292.78/x
  3. Step 3: Cross multiply
    35,916.78x = 53,875.20 × 11,292.78
  4. Step 4: Simplify right side
    35,916.78x = 608,400,781.06
  5. Step 5: Solve for x
    x = 608,400,781.06/35,916.78
  6. Step 6: Final answer
    x = 16,939.18

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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.