Home / 38,725.80-58,084.09-10,648.71

Finding the Fourth Proportional to 38,725.80, 58,084.09 and 10,648.71

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Solution

The fourth proportional to 38,725.80, 58,084.09 and 10,648.71 is: 15,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,725.80 : 58,084.09 = 10,648.71 : x
  2. Step 2: Convert to fraction form
    38,725.80/58,084.09 = 10,648.71/x
  3. Step 3: Cross multiply
    38,725.80x = 58,084.09 × 10,648.71
  4. Step 4: Simplify right side
    38,725.80x = 618,520,603.40
  5. Step 5: Solve for x
    x = 618,520,603.40/38,725.80
  6. Step 6: Final answer
    x = 15,971.80

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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.