Home / 53,634.34-80,420.36-20,336.24

Finding the Fourth Proportional to 53,634.34, 80,420.36 and 20,336.24

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Solution

The fourth proportional to 53,634.34, 80,420.36 and 20,336.24 is: 30,492.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,634.34 : 80,420.36 = 20,336.24 : x
  2. Step 2: Convert to fraction form
    53,634.34/80,420.36 = 20,336.24/x
  3. Step 3: Cross multiply
    53,634.34x = 80,420.36 × 20,336.24
  4. Step 4: Simplify right side
    53,634.34x = 1,635,447,643.63
  5. Step 5: Solve for x
    x = 1,635,447,643.63/53,634.34
  6. Step 6: Final answer
    x = 30,492.55

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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.