Home / 72,836.06-109,254.13-20,246.00

Finding the Fourth Proportional to 72,836.06, 109,254.13 and 20,246.00

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Solution

The fourth proportional to 72,836.06, 109,254.13 and 20,246.00 is: 30,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,836.06 : 109,254.13 = 20,246.00 : x
  2. Step 2: Convert to fraction form
    72,836.06/109,254.13 = 20,246.00/x
  3. Step 3: Cross multiply
    72,836.06x = 109,254.13 × 20,246.00
  4. Step 4: Simplify right side
    72,836.06x = 2,211,959,338.50
  5. Step 5: Solve for x
    x = 2,211,959,338.50/72,836.06
  6. Step 6: Final answer
    x = 30,369.01

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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.