Home / 48,501.99-66,940.20-28,358.46

Finding the Fourth Proportional to 48,501.99, 66,940.20 and 28,358.46

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Solution

The fourth proportional to 48,501.99, 66,940.20 and 28,358.46 is: 39,139.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,501.99 : 66,940.20 = 28,358.46 : x
  2. Step 2: Convert to fraction form
    48,501.99/66,940.20 = 28,358.46/x
  3. Step 3: Cross multiply
    48,501.99x = 66,940.20 × 28,358.46
  4. Step 4: Simplify right side
    48,501.99x = 1,898,320,984.09
  5. Step 5: Solve for x
    x = 1,898,320,984.09/48,501.99
  6. Step 6: Final answer
    x = 39,139.03

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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.