Home / 48,303.28-66,690.90-30,181.48

Finding the Fourth Proportional to 48,303.28, 66,690.90 and 30,181.48

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Solution

The fourth proportional to 48,303.28, 66,690.90 and 30,181.48 is: 41,670.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,303.28 : 66,690.90 = 30,181.48 : x
  2. Step 2: Convert to fraction form
    48,303.28/66,690.90 = 30,181.48/x
  3. Step 3: Cross multiply
    48,303.28x = 66,690.90 × 30,181.48
  4. Step 4: Simplify right side
    48,303.28x = 2,012,830,064.53
  5. Step 5: Solve for x
    x = 2,012,830,064.53/48,303.28
  6. Step 6: Final answer
    x = 41,670.67

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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.