Home / 40,185.19-55,455.48-22,279.74

Finding the Fourth Proportional to 40,185.19, 55,455.48 and 22,279.74

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Solution

The fourth proportional to 40,185.19, 55,455.48 and 22,279.74 is: 30,746.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,185.19 : 55,455.48 = 22,279.74 : x
  2. Step 2: Convert to fraction form
    40,185.19/55,455.48 = 22,279.74/x
  3. Step 3: Cross multiply
    40,185.19x = 55,455.48 × 22,279.74
  4. Step 4: Simplify right side
    40,185.19x = 1,235,533,675.98
  5. Step 5: Solve for x
    x = 1,235,533,675.98/40,185.19
  6. Step 6: Final answer
    x = 30,746.00

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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.