Home / 36,014.40-54,053.28-19,389.12

Finding the Fourth Proportional to 36,014.40, 54,053.28 and 19,389.12

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Solution

The fourth proportional to 36,014.40, 54,053.28 and 19,389.12 is: 29,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,014.40 : 54,053.28 = 19,389.12 : x
  2. Step 2: Convert to fraction form
    36,014.40/54,053.28 = 19,389.12/x
  3. Step 3: Cross multiply
    36,014.40x = 54,053.28 × 19,389.12
  4. Step 4: Simplify right side
    36,014.40x = 1,048,045,532.31
  5. Step 5: Solve for x
    x = 1,048,045,532.31/36,014.40
  6. Step 6: Final answer
    x = 29,100.74

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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.