Home / 48,816.40-73,224.60-11,880.40

Finding the Fourth Proportional to 48,816.40, 73,224.60 and 11,880.40

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Solution

The fourth proportional to 48,816.40, 73,224.60 and 11,880.40 is: 17,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,816.40 : 73,224.60 = 11,880.40 : x
  2. Step 2: Convert to fraction form
    48,816.40/73,224.60 = 11,880.40/x
  3. Step 3: Cross multiply
    48,816.40x = 73,224.60 × 11,880.40
  4. Step 4: Simplify right side
    48,816.40x = 869,937,537.84
  5. Step 5: Solve for x
    x = 869,937,537.84/48,816.40
  6. Step 6: Final answer
    x = 17,820.60

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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.