Home / 31,056.44-42,857.34-16,909.04

Finding the Fourth Proportional to 31,056.44, 42,857.34 and 16,909.04

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Solution

The fourth proportional to 31,056.44, 42,857.34 and 16,909.04 is: 23,334.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,056.44 : 42,857.34 = 16,909.04 : x
  2. Step 2: Convert to fraction form
    31,056.44/42,857.34 = 16,909.04/x
  3. Step 3: Cross multiply
    31,056.44x = 42,857.34 × 16,909.04
  4. Step 4: Simplify right side
    31,056.44x = 724,676,476.35
  5. Step 5: Solve for x
    x = 724,676,476.35/31,056.44
  6. Step 6: Final answer
    x = 23,334.18

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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.