Home / 38,158.19-52,658.45-21,164.01

Finding the Fourth Proportional to 38,158.19, 52,658.45 and 21,164.01

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Solution

The fourth proportional to 38,158.19, 52,658.45 and 21,164.01 is: 29,206.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,158.19 : 52,658.45 = 21,164.01 : x
  2. Step 2: Convert to fraction form
    38,158.19/52,658.45 = 21,164.01/x
  3. Step 3: Cross multiply
    38,158.19x = 52,658.45 × 21,164.01
  4. Step 4: Simplify right side
    38,158.19x = 1,114,463,856.56
  5. Step 5: Solve for x
    x = 1,114,463,856.56/38,158.19
  6. Step 6: Final answer
    x = 29,206.42

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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.