Home / 48,311.51-66,670.56-29,188.62

Finding the Fourth Proportional to 48,311.51, 66,670.56 and 29,188.62

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Solution

The fourth proportional to 48,311.51, 66,670.56 and 29,188.62 is: 40,280.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,311.51 : 66,670.56 = 29,188.62 : x
  2. Step 2: Convert to fraction form
    48,311.51/66,670.56 = 29,188.62/x
  3. Step 3: Cross multiply
    48,311.51x = 66,670.56 × 29,188.62
  4. Step 4: Simplify right side
    48,311.51x = 1,946,021,641.03
  5. Step 5: Solve for x
    x = 1,946,021,641.03/48,311.51
  6. Step 6: Final answer
    x = 40,280.71

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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.