Home / 53,740.99-80,646.45-20,461.33

Finding the Fourth Proportional to 53,740.99, 80,646.45 and 20,461.33

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Solution

The fourth proportional to 53,740.99, 80,646.45 and 20,461.33 is: 30,705.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,740.99 : 80,646.45 = 20,461.33 : x
  2. Step 2: Convert to fraction form
    53,740.99/80,646.45 = 20,461.33/x
  3. Step 3: Cross multiply
    53,740.99x = 80,646.45 × 20,461.33
  4. Step 4: Simplify right side
    53,740.99x = 1,650,133,626.78
  5. Step 5: Solve for x
    x = 1,650,133,626.78/53,740.99
  6. Step 6: Final answer
    x = 30,705.31

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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.