Home / 39,121.59-58,667.64-14,155.46

Finding the Fourth Proportional to 39,121.59, 58,667.64 and 14,155.46

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Solution

The fourth proportional to 39,121.59, 58,667.64 and 14,155.46 is: 21,227.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,121.59 : 58,667.64 = 14,155.46 : x
  2. Step 2: Convert to fraction form
    39,121.59/58,667.64 = 14,155.46/x
  3. Step 3: Cross multiply
    39,121.59x = 58,667.64 × 14,155.46
  4. Step 4: Simplify right side
    39,121.59x = 830,467,431.31
  5. Step 5: Solve for x
    x = 830,467,431.31/39,121.59
  6. Step 6: Final answer
    x = 21,227.86

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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.