Home / 48,311.66-66,670.78-29,188.78

Finding the Fourth Proportional to 48,311.66, 66,670.78 and 29,188.78

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Solution

The fourth proportional to 48,311.66, 66,670.78 and 29,188.78 is: 40,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,311.66 : 66,670.78 = 29,188.78 : x
  2. Step 2: Convert to fraction form
    48,311.66/66,670.78 = 29,188.78/x
  3. Step 3: Cross multiply
    48,311.66x = 66,670.78 × 29,188.78
  4. Step 4: Simplify right side
    48,311.66x = 1,946,038,729.85
  5. Step 5: Solve for x
    x = 1,946,038,729.85/48,311.66
  6. Step 6: Final answer
    x = 40,280.93

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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.