Home / 50,007.90-69,017.43-28,788.06

Finding the Fourth Proportional to 50,007.90, 69,017.43 and 28,788.06

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Solution

The fourth proportional to 50,007.90, 69,017.43 and 28,788.06 is: 39,731.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,007.90 : 69,017.43 = 28,788.06 : x
  2. Step 2: Convert to fraction form
    50,007.90/69,017.43 = 28,788.06/x
  3. Step 3: Cross multiply
    50,007.90x = 69,017.43 × 28,788.06
  4. Step 4: Simplify right side
    50,007.90x = 1,986,877,915.89
  5. Step 5: Solve for x
    x = 1,986,877,915.89/50,007.90
  6. Step 6: Final answer
    x = 39,731.28

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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.