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Finding the Fourth Proportional to 48,599.67, 66,630.14 and 47,713.94

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Solution

The fourth proportional to 48,599.67, 66,630.14 and 47,713.94 is: 65,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,599.67 : 66,630.14 = 47,713.94 : x
  2. Step 2: Convert to fraction form
    48,599.67/66,630.14 = 47,713.94/x
  3. Step 3: Cross multiply
    48,599.67x = 66,630.14 × 47,713.94
  4. Step 4: Simplify right side
    48,599.67x = 3,179,186,288.29
  5. Step 5: Solve for x
    x = 3,179,186,288.29/48,599.67
  6. Step 6: Final answer
    x = 65,415.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.