Home / 54,404.62-75,079.74-30,533.20

Finding the Fourth Proportional to 54,404.62, 75,079.74 and 30,533.20

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Solution

The fourth proportional to 54,404.62, 75,079.74 and 30,533.20 is: 42,136.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,404.62 : 75,079.74 = 30,533.20 : x
  2. Step 2: Convert to fraction form
    54,404.62/75,079.74 = 30,533.20/x
  3. Step 3: Cross multiply
    54,404.62x = 75,079.74 × 30,533.20
  4. Step 4: Simplify right side
    54,404.62x = 2,292,424,717.37
  5. Step 5: Solve for x
    x = 2,292,424,717.37/54,404.62
  6. Step 6: Final answer
    x = 42,136.58

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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.