Home / 38,526.72-53,169.60-21,762.24

Finding the Fourth Proportional to 38,526.72, 53,169.60 and 21,762.24

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Solution

The fourth proportional to 38,526.72, 53,169.60 and 21,762.24 is: 30,033.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,526.72 : 53,169.60 = 21,762.24 : x
  2. Step 2: Convert to fraction form
    38,526.72/53,169.60 = 21,762.24/x
  3. Step 3: Cross multiply
    38,526.72x = 53,169.60 × 21,762.24
  4. Step 4: Simplify right side
    38,526.72x = 1,157,089,595.90
  5. Step 5: Solve for x
    x = 1,157,089,595.90/38,526.72
  6. Step 6: Final answer
    x = 30,033.43

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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.