Home / 55,690.68-76,852.20-31,491.25

Finding the Fourth Proportional to 55,690.68, 76,852.20 and 31,491.25

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Solution

The fourth proportional to 55,690.68, 76,852.20 and 31,491.25 is: 43,457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,690.68 : 76,852.20 = 31,491.25 : x
  2. Step 2: Convert to fraction form
    55,690.68/76,852.20 = 31,491.25/x
  3. Step 3: Cross multiply
    55,690.68x = 76,852.20 × 31,491.25
  4. Step 4: Simplify right side
    55,690.68x = 2,420,171,843.25
  5. Step 5: Solve for x
    x = 2,420,171,843.25/55,690.68
  6. Step 6: Final answer
    x = 43,457.39

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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.