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Finding the Fourth Proportional to 45,783.31, 68,694.70 and 24,719.17

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Solution

The fourth proportional to 45,783.31, 68,694.70 and 24,719.17 is: 37,089.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,783.31 : 68,694.70 = 24,719.17 : x
  2. Step 2: Convert to fraction form
    45,783.31/68,694.70 = 24,719.17/x
  3. Step 3: Cross multiply
    45,783.31x = 68,694.70 × 24,719.17
  4. Step 4: Simplify right side
    45,783.31x = 1,698,075,967.40
  5. Step 5: Solve for x
    x = 1,698,075,967.40/45,783.31
  6. Step 6: Final answer
    x = 37,089.41

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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.