Home / 57,535.36-79,423.37-38,683.42

Finding the Fourth Proportional to 57,535.36, 79,423.37 and 38,683.42

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Solution

The fourth proportional to 57,535.36, 79,423.37 and 38,683.42 is: 53,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,535.36 : 79,423.37 = 38,683.42 : x
  2. Step 2: Convert to fraction form
    57,535.36/79,423.37 = 38,683.42/x
  3. Step 3: Cross multiply
    57,535.36x = 79,423.37 × 38,683.42
  4. Step 4: Simplify right side
    57,535.36x = 3,072,367,579.53
  5. Step 5: Solve for x
    x = 3,072,367,579.53/57,535.36
  6. Step 6: Final answer
    x = 53,399.64

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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.