Home / 42,721.98-64,005.21-41,788.86

Finding the Fourth Proportional to 42,721.98, 64,005.21 and 41,788.86

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Solution

The fourth proportional to 42,721.98, 64,005.21 and 41,788.86 is: 62,607.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,721.98 : 64,005.21 = 41,788.86 : x
  2. Step 2: Convert to fraction form
    42,721.98/64,005.21 = 41,788.86/x
  3. Step 3: Cross multiply
    42,721.98x = 64,005.21 × 41,788.86
  4. Step 4: Simplify right side
    42,721.98x = 2,674,704,759.96
  5. Step 5: Solve for x
    x = 2,674,704,759.96/42,721.98
  6. Step 6: Final answer
    x = 62,607.23

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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.