Home / 54,459.84-75,153.60-30,584.64

Finding the Fourth Proportional to 54,459.84, 75,153.60 and 30,584.64

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Solution

The fourth proportional to 54,459.84, 75,153.60 and 30,584.64 is: 42,206.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,459.84 : 75,153.60 = 30,584.64 : x
  2. Step 2: Convert to fraction form
    54,459.84/75,153.60 = 30,584.64/x
  3. Step 3: Cross multiply
    54,459.84x = 75,153.60 × 30,584.64
  4. Step 4: Simplify right side
    54,459.84x = 2,298,545,800.70
  5. Step 5: Solve for x
    x = 2,298,545,800.70/54,459.84
  6. Step 6: Final answer
    x = 42,206.25

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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.