Home / 45,201.81-67,810.55-15,213.18

Finding the Fourth Proportional to 45,201.81, 67,810.55 and 15,213.18

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Solution

The fourth proportional to 45,201.81, 67,810.55 and 15,213.18 is: 22,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,201.81 : 67,810.55 = 15,213.18 : x
  2. Step 2: Convert to fraction form
    45,201.81/67,810.55 = 15,213.18/x
  3. Step 3: Cross multiply
    45,201.81x = 67,810.55 × 15,213.18
  4. Step 4: Simplify right side
    45,201.81x = 1,031,614,026.98
  5. Step 5: Solve for x
    x = 1,031,614,026.98/45,201.81
  6. Step 6: Final answer
    x = 22,822.41

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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.