Home / 20,538.02-30,806.96-4,955.64

Finding the Fourth Proportional to 20,538.02, 30,806.96 and 4,955.64

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Solution

The fourth proportional to 20,538.02, 30,806.96 and 4,955.64 is: 7,433.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,538.02 : 30,806.96 = 4,955.64 : x
  2. Step 2: Convert to fraction form
    20,538.02/30,806.96 = 4,955.64/x
  3. Step 3: Cross multiply
    20,538.02x = 30,806.96 × 4,955.64
  4. Step 4: Simplify right side
    20,538.02x = 152,668,178.48
  5. Step 5: Solve for x
    x = 152,668,178.48/20,538.02
  6. Step 6: Final answer
    x = 7,433.44

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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.