Home / 38,601.60-53,268.48-21,834.24

Finding the Fourth Proportional to 38,601.60, 53,268.48 and 21,834.24

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Solution

The fourth proportional to 38,601.60, 53,268.48 and 21,834.24 is: 30,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,601.60 : 53,268.48 = 21,834.24 : x
  2. Step 2: Convert to fraction form
    38,601.60/53,268.48 = 21,834.24/x
  3. Step 3: Cross multiply
    38,601.60x = 53,268.48 × 21,834.24
  4. Step 4: Simplify right side
    38,601.60x = 1,163,076,776.76
  5. Step 5: Solve for x
    x = 1,163,076,776.76/38,601.60
  6. Step 6: Final answer
    x = 30,130.27

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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.