Home / 42,657.78-63,994.18-14,571.26

Finding the Fourth Proportional to 42,657.78, 63,994.18 and 14,571.26

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Solution

The fourth proportional to 42,657.78, 63,994.18 and 14,571.26 is: 21,859.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,657.78 : 63,994.18 = 14,571.26 : x
  2. Step 2: Convert to fraction form
    42,657.78/63,994.18 = 14,571.26/x
  3. Step 3: Cross multiply
    42,657.78x = 63,994.18 × 14,571.26
  4. Step 4: Simplify right side
    42,657.78x = 932,475,835.27
  5. Step 5: Solve for x
    x = 932,475,835.27/42,657.78
  6. Step 6: Final answer
    x = 21,859.46

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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.