Home / 51,389.72-77,097.83-15,850.23

Finding the Fourth Proportional to 51,389.72, 77,097.83 and 15,850.23

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Solution

The fourth proportional to 51,389.72, 77,097.83 and 15,850.23 is: 23,779.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,389.72 : 77,097.83 = 15,850.23 : x
  2. Step 2: Convert to fraction form
    51,389.72/77,097.83 = 15,850.23/x
  3. Step 3: Cross multiply
    51,389.72x = 77,097.83 × 15,850.23
  4. Step 4: Simplify right side
    51,389.72x = 1,222,018,403.31
  5. Step 5: Solve for x
    x = 1,222,018,403.31/51,389.72
  6. Step 6: Final answer
    x = 23,779.43

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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.