Home / 38,317.63-57,471.58-28,471.27

Finding the Fourth Proportional to 38,317.63, 57,471.58 and 28,471.27

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Solution

The fourth proportional to 38,317.63, 57,471.58 and 28,471.27 is: 42,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,317.63 : 57,471.58 = 28,471.27 : x
  2. Step 2: Convert to fraction form
    38,317.63/57,471.58 = 28,471.27/x
  3. Step 3: Cross multiply
    38,317.63x = 57,471.58 × 28,471.27
  4. Step 4: Simplify right side
    38,317.63x = 1,636,288,871.51
  5. Step 5: Solve for x
    x = 1,636,288,871.51/38,317.63
  6. Step 6: Final answer
    x = 42,703.29

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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.