Home / 42,551.89-63,809.36-14,464.39

Finding the Fourth Proportional to 42,551.89, 63,809.36 and 14,464.39

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Solution

The fourth proportional to 42,551.89, 63,809.36 and 14,464.39 is: 21,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,551.89 : 63,809.36 = 14,464.39 : x
  2. Step 2: Convert to fraction form
    42,551.89/63,809.36 = 14,464.39/x
  3. Step 3: Cross multiply
    42,551.89x = 63,809.36 × 14,464.39
  4. Step 4: Simplify right side
    42,551.89x = 922,963,468.69
  5. Step 5: Solve for x
    x = 922,963,468.69/42,551.89
  6. Step 6: Final answer
    x = 21,690.30

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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.