Home / 39,895.86-59,837.31-18,835.86

Finding the Fourth Proportional to 39,895.86, 59,837.31 and 18,835.86

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Solution

The fourth proportional to 39,895.86, 59,837.31 and 18,835.86 is: 28,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,895.86 : 59,837.31 = 18,835.86 : x
  2. Step 2: Convert to fraction form
    39,895.86/59,837.31 = 18,835.86/x
  3. Step 3: Cross multiply
    39,895.86x = 59,837.31 × 18,835.86
  4. Step 4: Simplify right side
    39,895.86x = 1,127,086,950.16
  5. Step 5: Solve for x
    x = 1,127,086,950.16/39,895.86
  6. Step 6: Final answer
    x = 28,250.73

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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.