Home / 53,001.35-73,143.63-30,347.67

Finding the Fourth Proportional to 53,001.35, 73,143.63 and 30,347.67

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Solution

The fourth proportional to 53,001.35, 73,143.63 and 30,347.67 is: 41,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,001.35 : 73,143.63 = 30,347.67 : x
  2. Step 2: Convert to fraction form
    53,001.35/73,143.63 = 30,347.67/x
  3. Step 3: Cross multiply
    53,001.35x = 73,143.63 × 30,347.67
  4. Step 4: Simplify right side
    53,001.35x = 2,219,738,745.84
  5. Step 5: Solve for x
    x = 2,219,738,745.84/53,001.35
  6. Step 6: Final answer
    x = 41,880.80

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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.