Home / 51,001.41-70,381.47-28,340.43

Finding the Fourth Proportional to 51,001.41, 70,381.47 and 28,340.43

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Solution

The fourth proportional to 51,001.41, 70,381.47 and 28,340.43 is: 39,109.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,001.41 : 70,381.47 = 28,340.43 : x
  2. Step 2: Convert to fraction form
    51,001.41/70,381.47 = 28,340.43/x
  3. Step 3: Cross multiply
    51,001.41x = 70,381.47 × 28,340.43
  4. Step 4: Simplify right side
    51,001.41x = 1,994,641,123.83
  5. Step 5: Solve for x
    x = 1,994,641,123.83/51,001.41
  6. Step 6: Final answer
    x = 39,109.53

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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.