Home / 45,152.73-67,696.29-18,864.99

Finding the Fourth Proportional to 45,152.73, 67,696.29 and 18,864.99

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Solution

The fourth proportional to 45,152.73, 67,696.29 and 18,864.99 is: 28,283.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,152.73 : 67,696.29 = 18,864.99 : x
  2. Step 2: Convert to fraction form
    45,152.73/67,696.29 = 18,864.99/x
  3. Step 3: Cross multiply
    45,152.73x = 67,696.29 × 18,864.99
  4. Step 4: Simplify right side
    45,152.73x = 1,277,089,833.89
  5. Step 5: Solve for x
    x = 1,277,089,833.89/45,152.73
  6. Step 6: Final answer
    x = 28,283.78

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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.