Home / 55,262.70-76,326.48-40,222.80

Finding the Fourth Proportional to 55,262.70, 76,326.48 and 40,222.80

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Solution

The fourth proportional to 55,262.70, 76,326.48 and 40,222.80 is: 55,554.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,262.70 : 76,326.48 = 40,222.80 : x
  2. Step 2: Convert to fraction form
    55,262.70/76,326.48 = 40,222.80/x
  3. Step 3: Cross multiply
    55,262.70x = 76,326.48 × 40,222.80
  4. Step 4: Simplify right side
    55,262.70x = 3,070,064,739.74
  5. Step 5: Solve for x
    x = 3,070,064,739.74/55,262.70
  6. Step 6: Final answer
    x = 55,554.01

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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.