Home / 40,840.84-61,243.71-18,668.17

Finding the Fourth Proportional to 40,840.84, 61,243.71 and 18,668.17

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Solution

The fourth proportional to 40,840.84, 61,243.71 and 18,668.17 is: 27,994.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,840.84 : 61,243.71 = 18,668.17 : x
  2. Step 2: Convert to fraction form
    40,840.84/61,243.71 = 18,668.17/x
  3. Step 3: Cross multiply
    40,840.84x = 61,243.71 × 18,668.17
  4. Step 4: Simplify right side
    40,840.84x = 1,143,307,989.71
  5. Step 5: Solve for x
    x = 1,143,307,989.71/40,840.84
  6. Step 6: Final answer
    x = 27,994.23

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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.