Home / 41,055.46-56,639.88-28,973.48

Finding the Fourth Proportional to 41,055.46, 56,639.88 and 28,973.48

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Solution

The fourth proportional to 41,055.46, 56,639.88 and 28,973.48 is: 39,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,055.46 : 56,639.88 = 28,973.48 : x
  2. Step 2: Convert to fraction form
    41,055.46/56,639.88 = 28,973.48/x
  3. Step 3: Cross multiply
    41,055.46x = 56,639.88 × 28,973.48
  4. Step 4: Simplify right side
    41,055.46x = 1,641,054,427.80
  5. Step 5: Solve for x
    x = 1,641,054,427.80/41,055.46
  6. Step 6: Final answer
    x = 39,971.65

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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.