Home / 53,235.31-79,846.74-13,789.39

Finding the Fourth Proportional to 53,235.31, 79,846.74 and 13,789.39

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Solution

The fourth proportional to 53,235.31, 79,846.74 and 13,789.39 is: 20,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,235.31 : 79,846.74 = 13,789.39 : x
  2. Step 2: Convert to fraction form
    53,235.31/79,846.74 = 13,789.39/x
  3. Step 3: Cross multiply
    53,235.31x = 79,846.74 × 13,789.39
  4. Step 4: Simplify right side
    53,235.31x = 1,101,037,838.09
  5. Step 5: Solve for x
    x = 1,101,037,838.09/53,235.31
  6. Step 6: Final answer
    x = 20,682.47

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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.