Home / 47,165.95-70,739.89-18,314.57

Finding the Fourth Proportional to 47,165.95, 70,739.89 and 18,314.57

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Solution

The fourth proportional to 47,165.95, 70,739.89 and 18,314.57 is: 27,468.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,165.95 : 70,739.89 = 18,314.57 : x
  2. Step 2: Convert to fraction form
    47,165.95/70,739.89 = 18,314.57/x
  3. Step 3: Cross multiply
    47,165.95x = 70,739.89 × 18,314.57
  4. Step 4: Simplify right side
    47,165.95x = 1,295,570,667.20
  5. Step 5: Solve for x
    x = 1,295,570,667.20/47,165.95
  6. Step 6: Final answer
    x = 27,468.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.