Home / 47,477.53-65,527.75-30,503.00

Finding the Fourth Proportional to 47,477.53, 65,527.75 and 30,503.00

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Solution

The fourth proportional to 47,477.53, 65,527.75 and 30,503.00 is: 42,099.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,477.53 : 65,527.75 = 30,503.00 : x
  2. Step 2: Convert to fraction form
    47,477.53/65,527.75 = 30,503.00/x
  3. Step 3: Cross multiply
    47,477.53x = 65,527.75 × 30,503.00
  4. Step 4: Simplify right side
    47,477.53x = 1,998,792,791.60
  5. Step 5: Solve for x
    x = 1,998,792,791.60/47,477.53
  6. Step 6: Final answer
    x = 42,099.77

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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.