Home / 40,077.35-55,303.70-22,171.98

Finding the Fourth Proportional to 40,077.35, 55,303.70 and 22,171.98

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Solution

The fourth proportional to 40,077.35, 55,303.70 and 22,171.98 is: 30,595.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,077.35 : 55,303.70 = 22,171.98 : x
  2. Step 2: Convert to fraction form
    40,077.35/55,303.70 = 22,171.98/x
  3. Step 3: Cross multiply
    40,077.35x = 55,303.70 × 22,171.98
  4. Step 4: Simplify right side
    40,077.35x = 1,226,192,142.95
  5. Step 5: Solve for x
    x = 1,226,192,142.95/40,077.35
  6. Step 6: Final answer
    x = 30,595.64

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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.