Home / 52,148.51-71,964.25-28,274.67

Finding the Fourth Proportional to 52,148.51, 71,964.25 and 28,274.67

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Solution

The fourth proportional to 52,148.51, 71,964.25 and 28,274.67 is: 39,018.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,148.51 : 71,964.25 = 28,274.67 : x
  2. Step 2: Convert to fraction form
    52,148.51/71,964.25 = 28,274.67/x
  3. Step 3: Cross multiply
    52,148.51x = 71,964.25 × 28,274.67
  4. Step 4: Simplify right side
    52,148.51x = 2,034,765,349.86
  5. Step 5: Solve for x
    x = 2,034,765,349.86/52,148.51
  6. Step 6: Final answer
    x = 39,018.67

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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.