Home / 35,933.20-53,890.20-12,557.20

Finding the Fourth Proportional to 35,933.20, 53,890.20 and 12,557.20

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Solution

The fourth proportional to 35,933.20, 53,890.20 and 12,557.20 is: 18,832.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,933.20 : 53,890.20 = 12,557.20 : x
  2. Step 2: Convert to fraction form
    35,933.20/53,890.20 = 12,557.20/x
  3. Step 3: Cross multiply
    35,933.20x = 53,890.20 × 12,557.20
  4. Step 4: Simplify right side
    35,933.20x = 676,710,019.44
  5. Step 5: Solve for x
    x = 676,710,019.44/35,933.20
  6. Step 6: Final answer
    x = 18,832.45

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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.