Home / 39,440.43-59,160.78-9,858.29

Finding the Fourth Proportional to 39,440.43, 59,160.78 and 9,858.29

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Solution

The fourth proportional to 39,440.43, 59,160.78 and 9,858.29 is: 14,787.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,440.43 : 59,160.78 = 9,858.29 : x
  2. Step 2: Convert to fraction form
    39,440.43/59,160.78 = 9,858.29/x
  3. Step 3: Cross multiply
    39,440.43x = 59,160.78 × 9,858.29
  4. Step 4: Simplify right side
    39,440.43x = 583,223,830.06
  5. Step 5: Solve for x
    x = 583,223,830.06/39,440.43
  6. Step 6: Final answer
    x = 14,787.46

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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.