Home / 42,750.97-64,110.03-17,802.79

Finding the Fourth Proportional to 42,750.97, 64,110.03 and 17,802.79

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Solution

The fourth proportional to 42,750.97, 64,110.03 and 17,802.79 is: 26,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,750.97 : 64,110.03 = 17,802.79 : x
  2. Step 2: Convert to fraction form
    42,750.97/64,110.03 = 17,802.79/x
  3. Step 3: Cross multiply
    42,750.97x = 64,110.03 × 17,802.79
  4. Step 4: Simplify right side
    42,750.97x = 1,141,337,400.98
  5. Step 5: Solve for x
    x = 1,141,337,400.98/42,750.97
  6. Step 6: Final answer
    x = 26,697.35

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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.