Home / 48,717.86-67,230.96-28,570.64

Finding the Fourth Proportional to 48,717.86, 67,230.96 and 28,570.64

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Solution

The fourth proportional to 48,717.86, 67,230.96 and 28,570.64 is: 39,427.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,717.86 : 67,230.96 = 28,570.64 : x
  2. Step 2: Convert to fraction form
    48,717.86/67,230.96 = 28,570.64/x
  3. Step 3: Cross multiply
    48,717.86x = 67,230.96 × 28,570.64
  4. Step 4: Simplify right side
    48,717.86x = 1,920,831,555.01
  5. Step 5: Solve for x
    x = 1,920,831,555.01/48,717.86
  6. Step 6: Final answer
    x = 39,427.67

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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.