Home / 34,805.68-48,031.86-18,890.12

Finding the Fourth Proportional to 34,805.68, 48,031.86 and 18,890.12

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Solution

The fourth proportional to 34,805.68, 48,031.86 and 18,890.12 is: 26,068.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,805.68 : 48,031.86 = 18,890.12 : x
  2. Step 2: Convert to fraction form
    34,805.68/48,031.86 = 18,890.12/x
  3. Step 3: Cross multiply
    34,805.68x = 48,031.86 × 18,890.12
  4. Step 4: Simplify right side
    34,805.68x = 907,327,790.14
  5. Step 5: Solve for x
    x = 907,327,790.14/34,805.68
  6. Step 6: Final answer
    x = 26,068.38

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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.