Home / 31,050.96-42,852.12-16,903.44

Finding the Fourth Proportional to 31,050.96, 42,852.12 and 16,903.44

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Solution

The fourth proportional to 31,050.96, 42,852.12 and 16,903.44 is: 23,327.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,050.96 : 42,852.12 = 16,903.44 : x
  2. Step 2: Convert to fraction form
    31,050.96/42,852.12 = 16,903.44/x
  3. Step 3: Cross multiply
    31,050.96x = 42,852.12 × 16,903.44
  4. Step 4: Simplify right side
    31,050.96x = 724,348,239.29
  5. Step 5: Solve for x
    x = 724,348,239.29/31,050.96
  6. Step 6: Final answer
    x = 23,327.72

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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.