Home / 30,862.12-42,589.76-16,714.98

Finding the Fourth Proportional to 30,862.12, 42,589.76 and 16,714.98

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Solution

The fourth proportional to 30,862.12, 42,589.76 and 16,714.98 is: 23,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,862.12 : 42,589.76 = 16,714.98 : x
  2. Step 2: Convert to fraction form
    30,862.12/42,589.76 = 16,714.98/x
  3. Step 3: Cross multiply
    30,862.12x = 42,589.76 × 16,714.98
  4. Step 4: Simplify right side
    30,862.12x = 711,886,986.60
  5. Step 5: Solve for x
    x = 711,886,986.60/30,862.12
  6. Step 6: Final answer
    x = 23,066.69

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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.