Home / 49,999.81-69,017.10-28,787.53

Finding the Fourth Proportional to 49,999.81, 69,017.10 and 28,787.53

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Solution

The fourth proportional to 49,999.81, 69,017.10 and 28,787.53 is: 39,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,999.81 : 69,017.10 = 28,787.53 : x
  2. Step 2: Convert to fraction form
    49,999.81/69,017.10 = 28,787.53/x
  3. Step 3: Cross multiply
    49,999.81x = 69,017.10 × 28,787.53
  4. Step 4: Simplify right side
    49,999.81x = 1,986,831,836.76
  5. Step 5: Solve for x
    x = 1,986,831,836.76/49,999.81
  6. Step 6: Final answer
    x = 39,736.79

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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.