Home / 45,938.75-68,908.14-14,774

Finding the Fourth Proportional to 45,938.75, 68,908.14 and 14,774

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Solution

The fourth proportional to 45,938.75, 68,908.14 and 14,774 is: 22,161.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,938.75 : 68,908.14 = 14,774 : x
  2. Step 2: Convert to fraction form
    45,938.75/68,908.14 = 14,774/x
  3. Step 3: Cross multiply
    45,938.75x = 68,908.14 × 14,774
  4. Step 4: Simplify right side
    45,938.75x = 1,018,048,860.36
  5. Step 5: Solve for x
    x = 1,018,048,860.36/45,938.75
  6. Step 6: Final answer
    x = 22,161.00

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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.