Home / 54,682.04-75,459.78-30,807.29

Finding the Fourth Proportional to 54,682.04, 75,459.78 and 30,807.29

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Solution

The fourth proportional to 54,682.04, 75,459.78 and 30,807.29 is: 42,513.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,682.04 : 75,459.78 = 30,807.29 : x
  2. Step 2: Convert to fraction form
    54,682.04/75,459.78 = 30,807.29/x
  3. Step 3: Cross multiply
    54,682.04x = 75,459.78 × 30,807.29
  4. Step 4: Simplify right side
    54,682.04x = 2,324,710,948.50
  5. Step 5: Solve for x
    x = 2,324,710,948.50/54,682.04
  6. Step 6: Final answer
    x = 42,513.25

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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.