Home / 54,756.36-75,564.18-30,883.50

Finding the Fourth Proportional to 54,756.36, 75,564.18 and 30,883.50

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Solution

The fourth proportional to 54,756.36, 75,564.18 and 30,883.50 is: 42,619.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,756.36 : 75,564.18 = 30,883.50 : x
  2. Step 2: Convert to fraction form
    54,756.36/75,564.18 = 30,883.50/x
  3. Step 3: Cross multiply
    54,756.36x = 75,564.18 × 30,883.50
  4. Step 4: Simplify right side
    54,756.36x = 2,333,686,353.03
  5. Step 5: Solve for x
    x = 2,333,686,353.03/54,756.36
  6. Step 6: Final answer
    x = 42,619.46

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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.