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Finding the Fourth Proportional to 55,000.60, 82,457.70 and 30,376.60

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Solution

The fourth proportional to 55,000.60, 82,457.70 and 30,376.60 is: 45,541.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,000.60 : 82,457.70 = 30,376.60 : x
  2. Step 2: Convert to fraction form
    55,000.60/82,457.70 = 30,376.60/x
  3. Step 3: Cross multiply
    55,000.60x = 82,457.70 × 30,376.60
  4. Step 4: Simplify right side
    55,000.60x = 2,504,784,569.82
  5. Step 5: Solve for x
    x = 2,504,784,569.82/55,000.60
  6. Step 6: Final answer
    x = 45,541.04

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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.