Home / 34,885.77-48,128.16-19,775.23

Finding the Fourth Proportional to 34,885.77, 48,128.16 and 19,775.23

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Solution

The fourth proportional to 34,885.77, 48,128.16 and 19,775.23 is: 27,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,885.77 : 48,128.16 = 19,775.23 : x
  2. Step 2: Convert to fraction form
    34,885.77/48,128.16 = 19,775.23/x
  3. Step 3: Cross multiply
    34,885.77x = 48,128.16 × 19,775.23
  4. Step 4: Simplify right side
    34,885.77x = 951,745,433.48
  5. Step 5: Solve for x
    x = 951,745,433.48/34,885.77
  6. Step 6: Final answer
    x = 27,281.77

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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.