Home / 30,244.02-45,326.61-15,440.46

Finding the Fourth Proportional to 30,244.02, 45,326.61 and 15,440.46

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Solution

The fourth proportional to 30,244.02, 45,326.61 and 15,440.46 is: 23,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,244.02 : 45,326.61 = 15,440.46 : x
  2. Step 2: Convert to fraction form
    30,244.02/45,326.61 = 15,440.46/x
  3. Step 3: Cross multiply
    30,244.02x = 45,326.61 × 15,440.46
  4. Step 4: Simplify right side
    30,244.02x = 699,863,708.64
  5. Step 5: Solve for x
    x = 699,863,708.64/30,244.02
  6. Step 6: Final answer
    x = 23,140.56

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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.