Home / 45,579.33-68,368.59-15,990.23

Finding the Fourth Proportional to 45,579.33, 68,368.59 and 15,990.23

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Solution

The fourth proportional to 45,579.33, 68,368.59 and 15,990.23 is: 23,985.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,579.33 : 68,368.59 = 15,990.23 : x
  2. Step 2: Convert to fraction form
    45,579.33/68,368.59 = 15,990.23/x
  3. Step 3: Cross multiply
    45,579.33x = 68,368.59 × 15,990.23
  4. Step 4: Simplify right side
    45,579.33x = 1,093,229,649.80
  5. Step 5: Solve for x
    x = 1,093,229,649.80/45,579.33
  6. Step 6: Final answer
    x = 23,985.21

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1.5x scale

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.