Home / 40,788.48-56,235.52-26,422.72

Finding the Fourth Proportional to 40,788.48, 56,235.52 and 26,422.72

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Solution

The fourth proportional to 40,788.48, 56,235.52 and 26,422.72 is: 36,429.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,788.48 : 56,235.52 = 26,422.72 : x
  2. Step 2: Convert to fraction form
    40,788.48/56,235.52 = 26,422.72/x
  3. Step 3: Cross multiply
    40,788.48x = 56,235.52 × 26,422.72
  4. Step 4: Simplify right side
    40,788.48x = 1,485,895,399.01
  5. Step 5: Solve for x
    x = 1,485,895,399.01/40,788.48
  6. Step 6: Final answer
    x = 36,429.29

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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.