Home / 30,860.94-42,588.40-16,714.10

Finding the Fourth Proportional to 30,860.94, 42,588.40 and 16,714.10

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Solution

The fourth proportional to 30,860.94, 42,588.40 and 16,714.10 is: 23,065.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,860.94 : 42,588.40 = 16,714.10 : x
  2. Step 2: Convert to fraction form
    30,860.94/42,588.40 = 16,714.10/x
  3. Step 3: Cross multiply
    30,860.94x = 42,588.40 × 16,714.10
  4. Step 4: Simplify right side
    30,860.94x = 711,826,776.44
  5. Step 5: Solve for x
    x = 711,826,776.44/30,860.94
  6. Step 6: Final answer
    x = 23,065.62

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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.