Home / 34,875.70-48,128.26-19,771.21

Finding the Fourth Proportional to 34,875.70, 48,128.26 and 19,771.21

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Solution

The fourth proportional to 34,875.70, 48,128.26 and 19,771.21 is: 27,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,875.70 : 48,128.26 = 19,771.21 : x
  2. Step 2: Convert to fraction form
    34,875.70/48,128.26 = 19,771.21/x
  3. Step 3: Cross multiply
    34,875.70x = 48,128.26 × 19,771.21
  4. Step 4: Simplify right side
    34,875.70x = 951,553,935.39
  5. Step 5: Solve for x
    x = 951,553,935.39/34,875.70
  6. Step 6: Final answer
    x = 27,284.15

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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.