Home / 42,879.43-64,316.04-14,416.57

Finding the Fourth Proportional to 42,879.43, 64,316.04 and 14,416.57

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Solution

The fourth proportional to 42,879.43, 64,316.04 and 14,416.57 is: 21,623.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,879.43 : 64,316.04 = 14,416.57 : x
  2. Step 2: Convert to fraction form
    42,879.43/64,316.04 = 14,416.57/x
  3. Step 3: Cross multiply
    42,879.43x = 64,316.04 × 14,416.57
  4. Step 4: Simplify right side
    42,879.43x = 927,216,692.78
  5. Step 5: Solve for x
    x = 927,216,692.78/42,879.43
  6. Step 6: Final answer
    x = 21,623.81

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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.