Home / 53,256.96-79,889.40-13,814.28

Finding the Fourth Proportional to 53,256.96, 79,889.40 and 13,814.28

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Solution

The fourth proportional to 53,256.96, 79,889.40 and 13,814.28 is: 20,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,256.96 : 79,889.40 = 13,814.28 : x
  2. Step 2: Convert to fraction form
    53,256.96/79,889.40 = 13,814.28/x
  3. Step 3: Cross multiply
    53,256.96x = 79,889.40 × 13,814.28
  4. Step 4: Simplify right side
    53,256.96x = 1,103,614,540.63
  5. Step 5: Solve for x
    x = 1,103,614,540.63/53,256.96
  6. Step 6: Final answer
    x = 20,722.45

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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.