Home / 53,669.37-80,506.22-13,689.39

Finding the Fourth Proportional to 53,669.37, 80,506.22 and 13,689.39

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Solution

The fourth proportional to 53,669.37, 80,506.22 and 13,689.39 is: 20,534.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,669.37 : 80,506.22 = 13,689.39 : x
  2. Step 2: Convert to fraction form
    53,669.37/80,506.22 = 13,689.39/x
  3. Step 3: Cross multiply
    53,669.37x = 80,506.22 × 13,689.39
  4. Step 4: Simplify right side
    53,669.37x = 1,102,081,043.01
  5. Step 5: Solve for x
    x = 1,102,081,043.01/53,669.37
  6. Step 6: Final answer
    x = 20,534.64

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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.