Home / 35,418.08-53,089.65-11,719.50

Finding the Fourth Proportional to 35,418.08, 53,089.65 and 11,719.50

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Solution

The fourth proportional to 35,418.08, 53,089.65 and 11,719.50 is: 17,566.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,418.08 : 53,089.65 = 11,719.50 : x
  2. Step 2: Convert to fraction form
    35,418.08/53,089.65 = 11,719.50/x
  3. Step 3: Cross multiply
    35,418.08x = 53,089.65 × 11,719.50
  4. Step 4: Simplify right side
    35,418.08x = 622,184,153.18
  5. Step 5: Solve for x
    x = 622,184,153.18/35,418.08
  6. Step 6: Final answer
    x = 17,566.85

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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.