Home / 49,290.48-68,027.91-28,071.72

Finding the Fourth Proportional to 49,290.48, 68,027.91 and 28,071.72

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Solution

The fourth proportional to 49,290.48, 68,027.91 and 28,071.72 is: 38,742.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,290.48 : 68,027.91 = 28,071.72 : x
  2. Step 2: Convert to fraction form
    49,290.48/68,027.91 = 28,071.72/x
  3. Step 3: Cross multiply
    49,290.48x = 68,027.91 × 28,071.72
  4. Step 4: Simplify right side
    49,290.48x = 1,909,660,441.71
  5. Step 5: Solve for x
    x = 1,909,660,441.71/49,290.48
  6. Step 6: Final answer
    x = 38,742.99

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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.