Home / 47,243.41-65,171.08-28,109.59

Finding the Fourth Proportional to 47,243.41, 65,171.08 and 28,109.59

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Solution

The fourth proportional to 47,243.41, 65,171.08 and 28,109.59 is: 38,776.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,243.41 : 65,171.08 = 28,109.59 : x
  2. Step 2: Convert to fraction form
    47,243.41/65,171.08 = 28,109.59/x
  3. Step 3: Cross multiply
    47,243.41x = 65,171.08 × 28,109.59
  4. Step 4: Simplify right side
    47,243.41x = 1,831,932,210.87
  5. Step 5: Solve for x
    x = 1,831,932,210.87/47,243.41
  6. Step 6: Final answer
    x = 38,776.46

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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.