Home / 45,208.73-67,812.55-21,818.63

Finding the Fourth Proportional to 45,208.73, 67,812.55 and 21,818.63

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Solution

The fourth proportional to 45,208.73, 67,812.55 and 21,818.63 is: 32,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,208.73 : 67,812.55 = 21,818.63 : x
  2. Step 2: Convert to fraction form
    45,208.73/67,812.55 = 21,818.63/x
  3. Step 3: Cross multiply
    45,208.73x = 67,812.55 × 21,818.63
  4. Step 4: Simplify right side
    45,208.73x = 1,479,576,937.81
  5. Step 5: Solve for x
    x = 1,479,576,937.81/45,208.73
  6. Step 6: Final answer
    x = 32,727.68

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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.