Home / 50,730.06-70,007.40-28,374.06

Finding the Fourth Proportional to 50,730.06, 70,007.40 and 28,374.06

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Solution

The fourth proportional to 50,730.06, 70,007.40 and 28,374.06 is: 39,156.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,730.06 : 70,007.40 = 28,374.06 : x
  2. Step 2: Convert to fraction form
    50,730.06/70,007.40 = 28,374.06/x
  3. Step 3: Cross multiply
    50,730.06x = 70,007.40 × 28,374.06
  4. Step 4: Simplify right side
    50,730.06x = 1,986,394,168.04
  5. Step 5: Solve for x
    x = 1,986,394,168.04/50,730.06
  6. Step 6: Final answer
    x = 39,156.16

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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.