Home / 42,787.54-64,188.96-14,700.34

Finding the Fourth Proportional to 42,787.54, 64,188.96 and 14,700.34

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Solution

The fourth proportional to 42,787.54, 64,188.96 and 14,700.34 is: 22,053.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,787.54 : 64,188.96 = 14,700.34 : x
  2. Step 2: Convert to fraction form
    42,787.54/64,188.96 = 14,700.34/x
  3. Step 3: Cross multiply
    42,787.54x = 64,188.96 × 14,700.34
  4. Step 4: Simplify right side
    42,787.54x = 943,599,536.25
  5. Step 5: Solve for x
    x = 943,599,536.25/42,787.54
  6. Step 6: Final answer
    x = 22,053.14

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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.