Home / 39,586.34-54,627.10-21,677.89

Finding the Fourth Proportional to 39,586.34, 54,627.10 and 21,677.89

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Solution

The fourth proportional to 39,586.34, 54,627.10 and 21,677.89 is: 29,914.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,586.34 : 54,627.10 = 21,677.89 : x
  2. Step 2: Convert to fraction form
    39,586.34/54,627.10 = 21,677.89/x
  3. Step 3: Cross multiply
    39,586.34x = 54,627.10 × 21,677.89
  4. Step 4: Simplify right side
    39,586.34x = 1,184,200,264.82
  5. Step 5: Solve for x
    x = 1,184,200,264.82/39,586.34
  6. Step 6: Final answer
    x = 29,914.37

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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.