Home / 49,490.20-68,301.36-28,272.64

Finding the Fourth Proportional to 49,490.20, 68,301.36 and 28,272.64

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Solution

The fourth proportional to 49,490.20, 68,301.36 and 28,272.64 is: 39,019.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,490.20 : 68,301.36 = 28,272.64 : x
  2. Step 2: Convert to fraction form
    49,490.20/68,301.36 = 28,272.64/x
  3. Step 3: Cross multiply
    49,490.20x = 68,301.36 × 28,272.64
  4. Step 4: Simplify right side
    49,490.20x = 1,931,059,762.79
  5. Step 5: Solve for x
    x = 1,931,059,762.79/49,490.20
  6. Step 6: Final answer
    x = 39,019.03

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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.