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Finding the Fourth Proportional to 55,056.80, 82,597.51 and 17,619.12

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Solution

The fourth proportional to 55,056.80, 82,597.51 and 17,619.12 is: 26,432.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,056.80 : 82,597.51 = 17,619.12 : x
  2. Step 2: Convert to fraction form
    55,056.80/82,597.51 = 17,619.12/x
  3. Step 3: Cross multiply
    55,056.80x = 82,597.51 × 17,619.12
  4. Step 4: Simplify right side
    55,056.80x = 1,455,295,440.39
  5. Step 5: Solve for x
    x = 1,455,295,440.39/55,056.80
  6. Step 6: Final answer
    x = 26,432.62

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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.