Home / 39,880.62-55,038.96-23,964.66

Finding the Fourth Proportional to 39,880.62, 55,038.96 and 23,964.66

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Solution

The fourth proportional to 39,880.62, 55,038.96 and 23,964.66 is: 33,073.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,880.62 : 55,038.96 = 23,964.66 : x
  2. Step 2: Convert to fraction form
    39,880.62/55,038.96 = 23,964.66/x
  3. Step 3: Cross multiply
    39,880.62x = 55,038.96 × 23,964.66
  4. Step 4: Simplify right side
    39,880.62x = 1,318,989,963.15
  5. Step 5: Solve for x
    x = 1,318,989,963.15/39,880.62
  6. Step 6: Final answer
    x = 33,073.46

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1.5x scale

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.