Home / 43,246.86-64,874.07-13,657.02

Finding the Fourth Proportional to 43,246.86, 64,874.07 and 13,657.02

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Solution

The fourth proportional to 43,246.86, 64,874.07 and 13,657.02 is: 20,486.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,246.86 : 64,874.07 = 13,657.02 : x
  2. Step 2: Convert to fraction form
    43,246.86/64,874.07 = 13,657.02/x
  3. Step 3: Cross multiply
    43,246.86x = 64,874.07 × 13,657.02
  4. Step 4: Simplify right side
    43,246.86x = 885,986,471.47
  5. Step 5: Solve for x
    x = 885,986,471.47/43,246.86
  6. Step 6: Final answer
    x = 20,486.72

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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.