Home / 55,134.08-82,728.46-21,853.40

Finding the Fourth Proportional to 55,134.08, 82,728.46 and 21,853.40

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Solution

The fourth proportional to 55,134.08, 82,728.46 and 21,853.40 is: 32,790.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,134.08 : 82,728.46 = 21,853.40 : x
  2. Step 2: Convert to fraction form
    55,134.08/82,728.46 = 21,853.40/x
  3. Step 3: Cross multiply
    55,134.08x = 82,728.46 × 21,853.40
  4. Step 4: Simplify right side
    55,134.08x = 1,807,898,127.76
  5. Step 5: Solve for x
    x = 1,807,898,127.76/55,134.08
  6. Step 6: Final answer
    x = 32,790.94

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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.