Home / 32,931.44-45,439.03-19,505.31

Finding the Fourth Proportional to 32,931.44, 45,439.03 and 19,505.31

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Solution

The fourth proportional to 32,931.44, 45,439.03 and 19,505.31 is: 26,913.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,931.44 : 45,439.03 = 19,505.31 : x
  2. Step 2: Convert to fraction form
    32,931.44/45,439.03 = 19,505.31/x
  3. Step 3: Cross multiply
    32,931.44x = 45,439.03 × 19,505.31
  4. Step 4: Simplify right side
    32,931.44x = 886,302,110.52
  5. Step 5: Solve for x
    x = 886,302,110.52/32,931.44
  6. Step 6: Final answer
    x = 26,913.56

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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.