Home / 45,678.71-68,529.88-14,088.07

Finding the Fourth Proportional to 45,678.71, 68,529.88 and 14,088.07

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Solution

The fourth proportional to 45,678.71, 68,529.88 and 14,088.07 is: 21,135.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,678.71 : 68,529.88 = 14,088.07 : x
  2. Step 2: Convert to fraction form
    45,678.71/68,529.88 = 14,088.07/x
  3. Step 3: Cross multiply
    45,678.71x = 68,529.88 × 14,088.07
  4. Step 4: Simplify right side
    45,678.71x = 965,453,849.80
  5. Step 5: Solve for x
    x = 965,453,849.80/45,678.71
  6. Step 6: Final answer
    x = 21,135.75

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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.