Home / 35,389.08-48,837.90-20,283

Finding the Fourth Proportional to 35,389.08, 48,837.90 and 20,283

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Solution

The fourth proportional to 35,389.08, 48,837.90 and 20,283 is: 27,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,389.08 : 48,837.90 = 20,283 : x
  2. Step 2: Convert to fraction form
    35,389.08/48,837.90 = 20,283/x
  3. Step 3: Cross multiply
    35,389.08x = 48,837.90 × 20,283
  4. Step 4: Simplify right side
    35,389.08x = 990,579,125.70
  5. Step 5: Solve for x
    x = 990,579,125.70/35,389.08
  6. Step 6: Final answer
    x = 27,991.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.