Home / 39,403.20-54,338.48-26,511.52

Finding the Fourth Proportional to 39,403.20, 54,338.48 and 26,511.52

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Solution

The fourth proportional to 39,403.20, 54,338.48 and 26,511.52 is: 36,560.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,403.20 : 54,338.48 = 26,511.52 : x
  2. Step 2: Convert to fraction form
    39,403.20/54,338.48 = 26,511.52/x
  3. Step 3: Cross multiply
    39,403.20x = 54,338.48 × 26,511.52
  4. Step 4: Simplify right side
    39,403.20x = 1,440,595,430.89
  5. Step 5: Solve for x
    x = 1,440,595,430.89/39,403.20
  6. Step 6: Final answer
    x = 36,560.37

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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.