Home / 51,464.04-77,205.24-18,203.40

Finding the Fourth Proportional to 51,464.04, 77,205.24 and 18,203.40

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Solution

The fourth proportional to 51,464.04, 77,205.24 and 18,203.40 is: 27,308.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,464.04 : 77,205.24 = 18,203.40 : x
  2. Step 2: Convert to fraction form
    51,464.04/77,205.24 = 18,203.40/x
  3. Step 3: Cross multiply
    51,464.04x = 77,205.24 × 18,203.40
  4. Step 4: Simplify right side
    51,464.04x = 1,405,397,865.82
  5. Step 5: Solve for x
    x = 1,405,397,865.82/51,464.04
  6. Step 6: Final answer
    x = 27,308.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.