Home / 51,549.72-77,324.70-18,270.12

Finding the Fourth Proportional to 51,549.72, 77,324.70 and 18,270.12

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Solution

The fourth proportional to 51,549.72, 77,324.70 and 18,270.12 is: 27,405.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,549.72 : 77,324.70 = 18,270.12 : x
  2. Step 2: Convert to fraction form
    51,549.72/77,324.70 = 18,270.12/x
  3. Step 3: Cross multiply
    51,549.72x = 77,324.70 × 18,270.12
  4. Step 4: Simplify right side
    51,549.72x = 1,412,731,547.96
  5. Step 5: Solve for x
    x = 1,412,731,547.96/51,549.72
  6. Step 6: Final answer
    x = 27,405.22

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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.