Home / 61,036.86-91,569.57-18,914.74

Finding the Fourth Proportional to 61,036.86, 91,569.57 and 18,914.74

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Solution

The fourth proportional to 61,036.86, 91,569.57 and 18,914.74 is: 28,376.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,036.86 : 91,569.57 = 18,914.74 : x
  2. Step 2: Convert to fraction form
    61,036.86/91,569.57 = 18,914.74/x
  3. Step 3: Cross multiply
    61,036.86x = 91,569.57 × 18,914.74
  4. Step 4: Simplify right side
    61,036.86x = 1,732,014,379.54
  5. Step 5: Solve for x
    x = 1,732,014,379.54/61,036.86
  6. Step 6: Final answer
    x = 28,376.53

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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.