Home / 45,158.94-67,740.57-21,805.02

Finding the Fourth Proportional to 45,158.94, 67,740.57 and 21,805.02

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Solution

The fourth proportional to 45,158.94, 67,740.57 and 21,805.02 is: 32,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,158.94 : 67,740.57 = 21,805.02 : x
  2. Step 2: Convert to fraction form
    45,158.94/67,740.57 = 21,805.02/x
  3. Step 3: Cross multiply
    45,158.94x = 67,740.57 × 21,805.02
  4. Step 4: Simplify right side
    45,158.94x = 1,477,084,483.66
  5. Step 5: Solve for x
    x = 1,477,084,483.66/45,158.94
  6. Step 6: Final answer
    x = 32,708.57

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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.