Home / 39,671.46-59,475.96-19,667.21

Finding the Fourth Proportional to 39,671.46, 59,475.96 and 19,667.21

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Solution

The fourth proportional to 39,671.46, 59,475.96 and 19,667.21 is: 29,485.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,671.46 : 59,475.96 = 19,667.21 : x
  2. Step 2: Convert to fraction form
    39,671.46/59,475.96 = 19,667.21/x
  3. Step 3: Cross multiply
    39,671.46x = 59,475.96 × 19,667.21
  4. Step 4: Simplify right side
    39,671.46x = 1,169,725,897.89
  5. Step 5: Solve for x
    x = 1,169,725,897.89/39,671.46
  6. Step 6: Final answer
    x = 29,485.33

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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.