Home / 43,217.31-64,835.09-18,272.76

Finding the Fourth Proportional to 43,217.31, 64,835.09 and 18,272.76

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Solution

The fourth proportional to 43,217.31, 64,835.09 and 18,272.76 is: 27,413.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,217.31 : 64,835.09 = 18,272.76 : x
  2. Step 2: Convert to fraction form
    43,217.31/64,835.09 = 18,272.76/x
  3. Step 3: Cross multiply
    43,217.31x = 64,835.09 × 18,272.76
  4. Step 4: Simplify right side
    43,217.31x = 1,184,715,947.78
  5. Step 5: Solve for x
    x = 1,184,715,947.78/43,217.31
  6. Step 6: Final answer
    x = 27,413.00

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1.5x scale

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.