Home / 53,114.51-79,653.18-15,664.64

Finding the Fourth Proportional to 53,114.51, 79,653.18 and 15,664.64

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Solution

The fourth proportional to 53,114.51, 79,653.18 and 15,664.64 is: 23,491.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,114.51 : 79,653.18 = 15,664.64 : x
  2. Step 2: Convert to fraction form
    53,114.51/79,653.18 = 15,664.64/x
  3. Step 3: Cross multiply
    53,114.51x = 79,653.18 × 15,664.64
  4. Step 4: Simplify right side
    53,114.51x = 1,247,738,389.56
  5. Step 5: Solve for x
    x = 1,247,738,389.56/53,114.51
  6. Step 6: Final answer
    x = 23,491.48

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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.