Home / 53,135.32-79,684.44-15,685.48

Finding the Fourth Proportional to 53,135.32, 79,684.44 and 15,685.48

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Solution

The fourth proportional to 53,135.32, 79,684.44 and 15,685.48 is: 23,522.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,135.32 : 79,684.44 = 15,685.48 : x
  2. Step 2: Convert to fraction form
    53,135.32/79,684.44 = 15,685.48/x
  3. Step 3: Cross multiply
    53,135.32x = 79,684.44 × 15,685.48
  4. Step 4: Simplify right side
    53,135.32x = 1,249,888,689.93
  5. Step 5: Solve for x
    x = 1,249,888,689.93/53,135.32
  6. Step 6: Final answer
    x = 23,522.75

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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.