Home / 37,148.08-51,263.94-20,381.08

Finding the Fourth Proportional to 37,148.08, 51,263.94 and 20,381.08

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Solution

The fourth proportional to 37,148.08, 51,263.94 and 20,381.08 is: 28,125.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,148.08 : 51,263.94 = 20,381.08 : x
  2. Step 2: Convert to fraction form
    37,148.08/51,263.94 = 20,381.08/x
  3. Step 3: Cross multiply
    37,148.08x = 51,263.94 × 20,381.08
  4. Step 4: Simplify right side
    37,148.08x = 1,044,814,462.26
  5. Step 5: Solve for x
    x = 1,044,814,462.26/37,148.08
  6. Step 6: Final answer
    x = 28,125.67

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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.