Home / 57,663.39-86,494.58-18,220.50

Finding the Fourth Proportional to 57,663.39, 86,494.58 and 18,220.50

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Solution

The fourth proportional to 57,663.39, 86,494.58 and 18,220.50 is: 27,330.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,663.39 : 86,494.58 = 18,220.50 : x
  2. Step 2: Convert to fraction form
    57,663.39/86,494.58 = 18,220.50/x
  3. Step 3: Cross multiply
    57,663.39x = 86,494.58 × 18,220.50
  4. Step 4: Simplify right side
    57,663.39x = 1,575,974,403.79
  5. Step 5: Solve for x
    x = 1,575,974,403.79/57,663.39
  6. Step 6: Final answer
    x = 27,330.59

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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.