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Finding the Fourth Proportional to 47,903.93, 66,109.47 and 26,683.21

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Solution

The fourth proportional to 47,903.93, 66,109.47 and 26,683.21 is: 36,823.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,903.93 : 66,109.47 = 26,683.21 : x
  2. Step 2: Convert to fraction form
    47,903.93/66,109.47 = 26,683.21/x
  3. Step 3: Cross multiply
    47,903.93x = 66,109.47 × 26,683.21
  4. Step 4: Simplify right side
    47,903.93x = 1,764,012,605.66
  5. Step 5: Solve for x
    x = 1,764,012,605.66/47,903.93
  6. Step 6: Final answer
    x = 36,823.96

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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.