Home / 54,603.24-75,352.40-30,730.08

Finding the Fourth Proportional to 54,603.24, 75,352.40 and 30,730.08

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Solution

The fourth proportional to 54,603.24, 75,352.40 and 30,730.08 is: 42,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,603.24 : 75,352.40 = 30,730.08 : x
  2. Step 2: Convert to fraction form
    54,603.24/75,352.40 = 30,730.08/x
  3. Step 3: Cross multiply
    54,603.24x = 75,352.40 × 30,730.08
  4. Step 4: Simplify right side
    54,603.24x = 2,315,585,610.78
  5. Step 5: Solve for x
    x = 2,315,585,610.78/54,603.24
  6. Step 6: Final answer
    x = 42,407.48

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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.