Home / 45,157.73-67,737.27-17,091

Finding the Fourth Proportional to 45,157.73, 67,737.27 and 17,091

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Solution

The fourth proportional to 45,157.73, 67,737.27 and 17,091 is: 25,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,157.73 : 67,737.27 = 17,091 : x
  2. Step 2: Convert to fraction form
    45,157.73/67,737.27 = 17,091/x
  3. Step 3: Cross multiply
    45,157.73x = 67,737.27 × 17,091
  4. Step 4: Simplify right side
    45,157.73x = 1,157,697,681.57
  5. Step 5: Solve for x
    x = 1,157,697,681.57/45,157.73
  6. Step 6: Final answer
    x = 25,636.76

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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.