Home / 38,815.36-53,562-22,900.48

Finding the Fourth Proportional to 38,815.36, 53,562 and 22,900.48

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Solution

The fourth proportional to 38,815.36, 53,562 and 22,900.48 is: 31,600.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,815.36 : 53,562 = 22,900.48 : x
  2. Step 2: Convert to fraction form
    38,815.36/53,562 = 22,900.48/x
  3. Step 3: Cross multiply
    38,815.36x = 53,562 × 22,900.48
  4. Step 4: Simplify right side
    38,815.36x = 1,226,595,509.76
  5. Step 5: Solve for x
    x = 1,226,595,509.76/38,815.36
  6. Step 6: Final answer
    x = 31,600.78

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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.