Home / 32,877.04-45,343.80-20,936.56

Finding the Fourth Proportional to 32,877.04, 45,343.80 and 20,936.56

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Solution

The fourth proportional to 32,877.04, 45,343.80 and 20,936.56 is: 28,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,877.04 : 45,343.80 = 20,936.56 : x
  2. Step 2: Convert to fraction form
    32,877.04/45,343.80 = 20,936.56/x
  3. Step 3: Cross multiply
    32,877.04x = 45,343.80 × 20,936.56
  4. Step 4: Simplify right side
    32,877.04x = 949,343,189.33
  5. Step 5: Solve for x
    x = 949,343,189.33/32,877.04
  6. Step 6: Final answer
    x = 28,875.57

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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.