Home / 54,223.60-74,830.16-30,349.66

Finding the Fourth Proportional to 54,223.60, 74,830.16 and 30,349.66

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Solution

The fourth proportional to 54,223.60, 74,830.16 and 30,349.66 is: 41,883.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,223.60 : 74,830.16 = 30,349.66 : x
  2. Step 2: Convert to fraction form
    54,223.60/74,830.16 = 30,349.66/x
  3. Step 3: Cross multiply
    54,223.60x = 74,830.16 × 30,349.66
  4. Step 4: Simplify right side
    54,223.60x = 2,271,069,913.75
  5. Step 5: Solve for x
    x = 2,271,069,913.75/54,223.60
  6. Step 6: Final answer
    x = 41,883.42

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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.