Home / 32,880.07-45,377.26-20,133.19

Finding the Fourth Proportional to 32,880.07, 45,377.26 and 20,133.19

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Solution

The fourth proportional to 32,880.07, 45,377.26 and 20,133.19 is: 27,785.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,880.07 : 45,377.26 = 20,133.19 : x
  2. Step 2: Convert to fraction form
    32,880.07/45,377.26 = 20,133.19/x
  3. Step 3: Cross multiply
    32,880.07x = 45,377.26 × 20,133.19
  4. Step 4: Simplify right side
    32,880.07x = 913,589,116.90
  5. Step 5: Solve for x
    x = 913,589,116.90/32,880.07
  6. Step 6: Final answer
    x = 27,785.50

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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.