Home / 53,026.59-79,539.89-21,861.03

Finding the Fourth Proportional to 53,026.59, 79,539.89 and 21,861.03

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Solution

The fourth proportional to 53,026.59, 79,539.89 and 21,861.03 is: 32,791.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,026.59 : 79,539.89 = 21,861.03 : x
  2. Step 2: Convert to fraction form
    53,026.59/79,539.89 = 21,861.03/x
  3. Step 3: Cross multiply
    53,026.59x = 79,539.89 × 21,861.03
  4. Step 4: Simplify right side
    53,026.59x = 1,738,823,812.18
  5. Step 5: Solve for x
    x = 1,738,823,812.18/53,026.59
  6. Step 6: Final answer
    x = 32,791.55

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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.