Home / 51,068.85-70,473.99-28,407.36

Finding the Fourth Proportional to 51,068.85, 70,473.99 and 28,407.36

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Solution

The fourth proportional to 51,068.85, 70,473.99 and 28,407.36 is: 39,201.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,068.85 : 70,473.99 = 28,407.36 : x
  2. Step 2: Convert to fraction form
    51,068.85/70,473.99 = 28,407.36/x
  3. Step 3: Cross multiply
    51,068.85x = 70,473.99 × 28,407.36
  4. Step 4: Simplify right side
    51,068.85x = 2,001,980,004.57
  5. Step 5: Solve for x
    x = 2,001,980,004.57/51,068.85
  6. Step 6: Final answer
    x = 39,201.59

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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.