Home / 35,389.78-53,082.90-13,201.42

Finding the Fourth Proportional to 35,389.78, 53,082.90 and 13,201.42

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Solution

The fourth proportional to 35,389.78, 53,082.90 and 13,201.42 is: 19,801.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,389.78 : 53,082.90 = 13,201.42 : x
  2. Step 2: Convert to fraction form
    35,389.78/53,082.90 = 13,201.42/x
  3. Step 3: Cross multiply
    35,389.78x = 53,082.90 × 13,201.42
  4. Step 4: Simplify right side
    35,389.78x = 700,769,657.72
  5. Step 5: Solve for x
    x = 700,769,657.72/35,389.78
  6. Step 6: Final answer
    x = 19,801.47

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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.