Home / 55,655.68-76,808.58-31,448.26

Finding the Fourth Proportional to 55,655.68, 76,808.58 and 31,448.26

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Solution

The fourth proportional to 55,655.68, 76,808.58 and 31,448.26 is: 43,400.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,655.68 : 76,808.58 = 31,448.26 : x
  2. Step 2: Convert to fraction form
    55,655.68/76,808.58 = 31,448.26/x
  3. Step 3: Cross multiply
    55,655.68x = 76,808.58 × 31,448.26
  4. Step 4: Simplify right side
    55,655.68x = 2,415,496,194.07
  5. Step 5: Solve for x
    x = 2,415,496,194.07/55,655.68
  6. Step 6: Final answer
    x = 43,400.71

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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.