Home / 54,631.08-75,392.91-30,434.22

Finding the Fourth Proportional to 54,631.08, 75,392.91 and 30,434.22

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Solution

The fourth proportional to 54,631.08, 75,392.91 and 30,434.22 is: 42,000.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,631.08 : 75,392.91 = 30,434.22 : x
  2. Step 2: Convert to fraction form
    54,631.08/75,392.91 = 30,434.22/x
  3. Step 3: Cross multiply
    54,631.08x = 75,392.91 × 30,434.22
  4. Step 4: Simplify right side
    54,631.08x = 2,294,524,409.38
  5. Step 5: Solve for x
    x = 2,294,524,409.38/54,631.08
  6. Step 6: Final answer
    x = 42,000.35

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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.