Home / 45,918.63-68,852.07-15,918.80

Finding the Fourth Proportional to 45,918.63, 68,852.07 and 15,918.80

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Solution

The fourth proportional to 45,918.63, 68,852.07 and 15,918.80 is: 23,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,918.63 : 68,852.07 = 15,918.80 : x
  2. Step 2: Convert to fraction form
    45,918.63/68,852.07 = 15,918.80/x
  3. Step 3: Cross multiply
    45,918.63x = 68,852.07 × 15,918.80
  4. Step 4: Simplify right side
    45,918.63x = 1,096,041,987.66
  5. Step 5: Solve for x
    x = 1,096,041,987.66/45,918.63
  6. Step 6: Final answer
    x = 23,869.22

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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.