Home / 31,448.04-47,155.80-9,258.54

Finding the Fourth Proportional to 31,448.04, 47,155.80 and 9,258.54

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Solution

The fourth proportional to 31,448.04, 47,155.80 and 9,258.54 is: 13,883.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,448.04 : 47,155.80 = 9,258.54 : x
  2. Step 2: Convert to fraction form
    31,448.04/47,155.80 = 9,258.54/x
  3. Step 3: Cross multiply
    31,448.04x = 47,155.80 × 9,258.54
  4. Step 4: Simplify right side
    31,448.04x = 436,593,860.53
  5. Step 5: Solve for x
    x = 436,593,860.53/31,448.04
  6. Step 6: Final answer
    x = 13,883.02

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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.