Home / 35,690.18-53,538.93-12,311.15

Finding the Fourth Proportional to 35,690.18, 53,538.93 and 12,311.15

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Solution

The fourth proportional to 35,690.18, 53,538.93 and 12,311.15 is: 18,467.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,690.18 : 53,538.93 = 12,311.15 : x
  2. Step 2: Convert to fraction form
    35,690.18/53,538.93 = 12,311.15/x
  3. Step 3: Cross multiply
    35,690.18x = 53,538.93 × 12,311.15
  4. Step 4: Simplify right side
    35,690.18x = 659,125,530.37
  5. Step 5: Solve for x
    x = 659,125,530.37/35,690.18
  6. Step 6: Final answer
    x = 18,467.98

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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.