Home / 48,693.86-67,199.27-28,274.39

Finding the Fourth Proportional to 48,693.86, 67,199.27 and 28,274.39

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Solution

The fourth proportional to 48,693.86, 67,199.27 and 28,274.39 is: 39,019.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,693.86 : 67,199.27 = 28,274.39 : x
  2. Step 2: Convert to fraction form
    48,693.86/67,199.27 = 28,274.39/x
  3. Step 3: Cross multiply
    48,693.86x = 67,199.27 × 28,274.39
  4. Step 4: Simplify right side
    48,693.86x = 1,900,018,490.37
  5. Step 5: Solve for x
    x = 1,900,018,490.37/48,693.86
  6. Step 6: Final answer
    x = 39,019.67

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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.