Home / 31,050.45-42,849.36-16,903.26

Finding the Fourth Proportional to 31,050.45, 42,849.36 and 16,903.26

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Solution

The fourth proportional to 31,050.45, 42,849.36 and 16,903.26 is: 23,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,050.45 : 42,849.36 = 16,903.26 : x
  2. Step 2: Convert to fraction form
    31,050.45/42,849.36 = 16,903.26/x
  3. Step 3: Cross multiply
    31,050.45x = 42,849.36 × 16,903.26
  4. Step 4: Simplify right side
    31,050.45x = 724,293,872.91
  5. Step 5: Solve for x
    x = 724,293,872.91/31,050.45
  6. Step 6: Final answer
    x = 23,326.36

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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.