Home / 51,617.39-71,237.40-28,962.50

Finding the Fourth Proportional to 51,617.39, 71,237.40 and 28,962.50

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Solution

The fourth proportional to 51,617.39, 71,237.40 and 28,962.50 is: 39,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,617.39 : 71,237.40 = 28,962.50 : x
  2. Step 2: Convert to fraction form
    51,617.39/71,237.40 = 28,962.50/x
  3. Step 3: Cross multiply
    51,617.39x = 71,237.40 × 28,962.50
  4. Step 4: Simplify right side
    51,617.39x = 2,063,213,375.59
  5. Step 5: Solve for x
    x = 2,063,213,375.59/51,617.39
  6. Step 6: Final answer
    x = 39,971.28

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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.