Home / 34,857.42-52,269.72-12,655.13

Finding the Fourth Proportional to 34,857.42, 52,269.72 and 12,655.13

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Solution

The fourth proportional to 34,857.42, 52,269.72 and 12,655.13 is: 18,976.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,857.42 : 52,269.72 = 12,655.13 : x
  2. Step 2: Convert to fraction form
    34,857.42/52,269.72 = 12,655.13/x
  3. Step 3: Cross multiply
    34,857.42x = 52,269.72 × 12,655.13
  4. Step 4: Simplify right side
    34,857.42x = 661,479,840.32
  5. Step 5: Solve for x
    x = 661,479,840.32/34,857.42
  6. Step 6: Final answer
    x = 18,976.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.