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Finding the Fourth Proportional to 55,118.46, 82,624.23 and 21,827.46

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Solution

The fourth proportional to 55,118.46, 82,624.23 and 21,827.46 is: 32,720.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,118.46 : 82,624.23 = 21,827.46 : x
  2. Step 2: Convert to fraction form
    55,118.46/82,624.23 = 21,827.46/x
  3. Step 3: Cross multiply
    55,118.46x = 82,624.23 × 21,827.46
  4. Step 4: Simplify right side
    55,118.46x = 1,803,477,075.36
  5. Step 5: Solve for x
    x = 1,803,477,075.36/55,118.46
  6. Step 6: Final answer
    x = 32,720.02

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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.