Home / 31,050.48-42,849.81-16,903.44

Finding the Fourth Proportional to 31,050.48, 42,849.81 and 16,903.44

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Solution

The fourth proportional to 31,050.48, 42,849.81 and 16,903.44 is: 23,326.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,050.48 : 42,849.81 = 16,903.44 : x
  2. Step 2: Convert to fraction form
    31,050.48/42,849.81 = 16,903.44/x
  3. Step 3: Cross multiply
    31,050.48x = 42,849.81 × 16,903.44
  4. Step 4: Simplify right side
    31,050.48x = 724,309,192.35
  5. Step 5: Solve for x
    x = 724,309,192.35/31,050.48
  6. Step 6: Final answer
    x = 23,326.83

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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.