Home / 40,347.99-55,676.88-22,443.12

Finding the Fourth Proportional to 40,347.99, 55,676.88 and 22,443.12

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Solution

The fourth proportional to 40,347.99, 55,676.88 and 22,443.12 is: 30,969.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,347.99 : 55,676.88 = 22,443.12 : x
  2. Step 2: Convert to fraction form
    40,347.99/55,676.88 = 22,443.12/x
  3. Step 3: Cross multiply
    40,347.99x = 55,676.88 × 22,443.12
  4. Step 4: Simplify right side
    40,347.99x = 1,249,562,899.07
  5. Step 5: Solve for x
    x = 1,249,562,899.07/40,347.99
  6. Step 6: Final answer
    x = 30,969.64

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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.