Home / 31,118.58-46,677.93-20,655.54

Finding the Fourth Proportional to 31,118.58, 46,677.93 and 20,655.54

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Solution

The fourth proportional to 31,118.58, 46,677.93 and 20,655.54 is: 30,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,118.58 : 46,677.93 = 20,655.54 : x
  2. Step 2: Convert to fraction form
    31,118.58/46,677.93 = 20,655.54/x
  3. Step 3: Cross multiply
    31,118.58x = 46,677.93 × 20,655.54
  4. Step 4: Simplify right side
    31,118.58x = 964,157,850.23
  5. Step 5: Solve for x
    x = 964,157,850.23/31,118.58
  6. Step 6: Final answer
    x = 30,983.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.