Home / 45,389.82-68,111.38-15,814.06

Finding the Fourth Proportional to 45,389.82, 68,111.38 and 15,814.06

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Solution

The fourth proportional to 45,389.82, 68,111.38 and 15,814.06 is: 23,730.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,389.82 : 68,111.38 = 15,814.06 : x
  2. Step 2: Convert to fraction form
    45,389.82/68,111.38 = 15,814.06/x
  3. Step 3: Cross multiply
    45,389.82x = 68,111.38 × 15,814.06
  4. Step 4: Simplify right side
    45,389.82x = 1,077,117,491.06
  5. Step 5: Solve for x
    x = 1,077,117,491.06/45,389.82
  6. Step 6: Final answer
    x = 23,730.38

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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.