Home / 53,566.40-73,920.36-30,905.44

Finding the Fourth Proportional to 53,566.40, 73,920.36 and 30,905.44

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Solution

The fourth proportional to 53,566.40, 73,920.36 and 30,905.44 is: 42,648.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,566.40 : 73,920.36 = 30,905.44 : x
  2. Step 2: Convert to fraction form
    53,566.40/73,920.36 = 30,905.44/x
  3. Step 3: Cross multiply
    53,566.40x = 73,920.36 × 30,905.44
  4. Step 4: Simplify right side
    53,566.40x = 2,284,541,250.76
  5. Step 5: Solve for x
    x = 2,284,541,250.76/53,566.40
  6. Step 6: Final answer
    x = 42,648.77

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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.