Home / 37,523.81-51,771.69-21,607.85

Finding the Fourth Proportional to 37,523.81, 51,771.69 and 21,607.85

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Solution

The fourth proportional to 37,523.81, 51,771.69 and 21,607.85 is: 29,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,523.81 : 51,771.69 = 21,607.85 : x
  2. Step 2: Convert to fraction form
    37,523.81/51,771.69 = 21,607.85/x
  3. Step 3: Cross multiply
    37,523.81x = 51,771.69 × 21,607.85
  4. Step 4: Simplify right side
    37,523.81x = 1,118,674,911.77
  5. Step 5: Solve for x
    x = 1,118,674,911.77/37,523.81
  6. Step 6: Final answer
    x = 29,812.40

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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.