Home / 48,635.02-72,960.08-20,555.20

Finding the Fourth Proportional to 48,635.02, 72,960.08 and 20,555.20

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Solution

The fourth proportional to 48,635.02, 72,960.08 and 20,555.20 is: 30,835.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,635.02 : 72,960.08 = 20,555.20 : x
  2. Step 2: Convert to fraction form
    48,635.02/72,960.08 = 20,555.20/x
  3. Step 3: Cross multiply
    48,635.02x = 72,960.08 × 20,555.20
  4. Step 4: Simplify right side
    48,635.02x = 1,499,708,652.98
  5. Step 5: Solve for x
    x = 1,499,708,652.98/48,635.02
  6. Step 6: Final answer
    x = 30,835.98

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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.