Home / 35,311.76-52,967.80-11,938.32

Finding the Fourth Proportional to 35,311.76, 52,967.80 and 11,938.32

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Solution

The fourth proportional to 35,311.76, 52,967.80 and 11,938.32 is: 17,907.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,311.76 : 52,967.80 = 11,938.32 : x
  2. Step 2: Convert to fraction form
    35,311.76/52,967.80 = 11,938.32/x
  3. Step 3: Cross multiply
    35,311.76x = 52,967.80 × 11,938.32
  4. Step 4: Simplify right side
    35,311.76x = 632,346,546.10
  5. Step 5: Solve for x
    x = 632,346,546.10/35,311.76
  6. Step 6: Final answer
    x = 17,907.53

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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.