Home / 39,880.97-55,030.65-22,885.94

Finding the Fourth Proportional to 39,880.97, 55,030.65 and 22,885.94

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Solution

The fourth proportional to 39,880.97, 55,030.65 and 22,885.94 is: 31,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,880.97 : 55,030.65 = 22,885.94 : x
  2. Step 2: Convert to fraction form
    39,880.97/55,030.65 = 22,885.94/x
  3. Step 3: Cross multiply
    39,880.97x = 55,030.65 × 22,885.94
  4. Step 4: Simplify right side
    39,880.97x = 1,259,427,878.91
  5. Step 5: Solve for x
    x = 1,259,427,878.91/39,880.97
  6. Step 6: Final answer
    x = 31,579.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.