Home / 49,438.79-68,229.02-28,221.24

Finding the Fourth Proportional to 49,438.79, 68,229.02 and 28,221.24

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Solution

The fourth proportional to 49,438.79, 68,229.02 and 28,221.24 is: 38,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,438.79 : 68,229.02 = 28,221.24 : x
  2. Step 2: Convert to fraction form
    49,438.79/68,229.02 = 28,221.24/x
  3. Step 3: Cross multiply
    49,438.79x = 68,229.02 × 28,221.24
  4. Step 4: Simplify right side
    49,438.79x = 1,925,507,548.38
  5. Step 5: Solve for x
    x = 1,925,507,548.38/49,438.79
  6. Step 6: Final answer
    x = 38,947.30

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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.