Home / 48,126.99-72,142.02-20,062.56

Finding the Fourth Proportional to 48,126.99, 72,142.02 and 20,062.56

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Solution

The fourth proportional to 48,126.99, 72,142.02 and 20,062.56 is: 30,073.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,126.99 : 72,142.02 = 20,062.56 : x
  2. Step 2: Convert to fraction form
    48,126.99/72,142.02 = 20,062.56/x
  3. Step 3: Cross multiply
    48,126.99x = 72,142.02 × 20,062.56
  4. Step 4: Simplify right side
    48,126.99x = 1,447,353,604.77
  5. Step 5: Solve for x
    x = 1,447,353,604.77/48,126.99
  6. Step 6: Final answer
    x = 30,073.64

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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.