Home / 55,006.60-82,493.70-21,715.60

Finding the Fourth Proportional to 55,006.60, 82,493.70 and 21,715.60

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Solution

The fourth proportional to 55,006.60, 82,493.70 and 21,715.60 is: 32,567.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,006.60 : 82,493.70 = 21,715.60 : x
  2. Step 2: Convert to fraction form
    55,006.60/82,493.70 = 21,715.60/x
  3. Step 3: Cross multiply
    55,006.60x = 82,493.70 × 21,715.60
  4. Step 4: Simplify right side
    55,006.60x = 1,791,400,191.72
  5. Step 5: Solve for x
    x = 1,791,400,191.72/55,006.60
  6. Step 6: Final answer
    x = 32,567.00

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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.