Home / 32,120.95-48,111.26-13,344.05

Finding the Fourth Proportional to 32,120.95, 48,111.26 and 13,344.05

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Solution

The fourth proportional to 32,120.95, 48,111.26 and 13,344.05 is: 19,986.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,120.95 : 48,111.26 = 13,344.05 : x
  2. Step 2: Convert to fraction form
    32,120.95/48,111.26 = 13,344.05/x
  3. Step 3: Cross multiply
    32,120.95x = 48,111.26 × 13,344.05
  4. Step 4: Simplify right side
    32,120.95x = 641,999,112.56
  5. Step 5: Solve for x
    x = 641,999,112.56/32,120.95
  6. Step 6: Final answer
    x = 19,986.93

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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.