Home / 53,986.50-74,501.44-30,114.69

Finding the Fourth Proportional to 53,986.50, 74,501.44 and 30,114.69

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Solution

The fourth proportional to 53,986.50, 74,501.44 and 30,114.69 is: 41,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,986.50 : 74,501.44 = 30,114.69 : x
  2. Step 2: Convert to fraction form
    53,986.50/74,501.44 = 30,114.69/x
  3. Step 3: Cross multiply
    53,986.50x = 74,501.44 × 30,114.69
  4. Step 4: Simplify right side
    53,986.50x = 2,243,587,415.49
  5. Step 5: Solve for x
    x = 2,243,587,415.49/53,986.50
  6. Step 6: Final answer
    x = 41,558.30

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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.