Home / 51,677.96-71,315.63-30,182.36

Finding the Fourth Proportional to 51,677.96, 71,315.63 and 30,182.36

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Solution

The fourth proportional to 51,677.96, 71,315.63 and 30,182.36 is: 41,651.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,677.96 : 71,315.63 = 30,182.36 : x
  2. Step 2: Convert to fraction form
    51,677.96/71,315.63 = 30,182.36/x
  3. Step 3: Cross multiply
    51,677.96x = 71,315.63 × 30,182.36
  4. Step 4: Simplify right side
    51,677.96x = 2,152,474,018.29
  5. Step 5: Solve for x
    x = 2,152,474,018.29/51,677.96
  6. Step 6: Final answer
    x = 41,651.68

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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.