Home / 36,038.19-49,732.61-20,126.42

Finding the Fourth Proportional to 36,038.19, 49,732.61 and 20,126.42

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Solution

The fourth proportional to 36,038.19, 49,732.61 and 20,126.42 is: 27,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,038.19 : 49,732.61 = 20,126.42 : x
  2. Step 2: Convert to fraction form
    36,038.19/49,732.61 = 20,126.42/x
  3. Step 3: Cross multiply
    36,038.19x = 49,732.61 × 20,126.42
  4. Step 4: Simplify right side
    36,038.19x = 1,000,939,047.26
  5. Step 5: Solve for x
    x = 1,000,939,047.26/36,038.19
  6. Step 6: Final answer
    x = 27,774.40

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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.