Home / 55,415.94-76,467.03-31,543.08

Finding the Fourth Proportional to 55,415.94, 76,467.03 and 31,543.08

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Solution

The fourth proportional to 55,415.94, 76,467.03 and 31,543.08 is: 43,525.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,415.94 : 76,467.03 = 31,543.08 : x
  2. Step 2: Convert to fraction form
    55,415.94/76,467.03 = 31,543.08/x
  3. Step 3: Cross multiply
    55,415.94x = 76,467.03 × 31,543.08
  4. Step 4: Simplify right side
    55,415.94x = 2,412,005,644.65
  5. Step 5: Solve for x
    x = 2,412,005,644.65/55,415.94
  6. Step 6: Final answer
    x = 43,525.48

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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.