Home / 40,385.28-55,595.52-33,300.48

Finding the Fourth Proportional to 40,385.28, 55,595.52 and 33,300.48

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Solution

The fourth proportional to 40,385.28, 55,595.52 and 33,300.48 is: 45,842.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,385.28 : 55,595.52 = 33,300.48 : x
  2. Step 2: Convert to fraction form
    40,385.28/55,595.52 = 33,300.48/x
  3. Step 3: Cross multiply
    40,385.28x = 55,595.52 × 33,300.48
  4. Step 4: Simplify right side
    40,385.28x = 1,851,357,501.85
  5. Step 5: Solve for x
    x = 1,851,357,501.85/40,385.28
  6. Step 6: Final answer
    x = 45,842.38

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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.