Home / 38,667.90-58,009.16-13,705.05

Finding the Fourth Proportional to 38,667.90, 58,009.16 and 13,705.05

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Solution

The fourth proportional to 38,667.90, 58,009.16 and 13,705.05 is: 20,560.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,667.90 : 58,009.16 = 13,705.05 : x
  2. Step 2: Convert to fraction form
    38,667.90/58,009.16 = 13,705.05/x
  3. Step 3: Cross multiply
    38,667.90x = 58,009.16 × 13,705.05
  4. Step 4: Simplify right side
    38,667.90x = 795,018,369.73
  5. Step 5: Solve for x
    x = 795,018,369.73/38,667.90
  6. Step 6: Final answer
    x = 20,560.16

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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.