Home / 42,914.89-64,372.36-13,332.75

Finding the Fourth Proportional to 42,914.89, 64,372.36 and 13,332.75

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Solution

The fourth proportional to 42,914.89, 64,372.36 and 13,332.75 is: 19,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,914.89 : 64,372.36 = 13,332.75 : x
  2. Step 2: Convert to fraction form
    42,914.89/64,372.36 = 13,332.75/x
  3. Step 3: Cross multiply
    42,914.89x = 64,372.36 × 13,332.75
  4. Step 4: Simplify right side
    42,914.89x = 858,260,582.79
  5. Step 5: Solve for x
    x = 858,260,582.79/42,914.89
  6. Step 6: Final answer
    x = 19,999.13

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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.