Home / 49,150.40-67,828.80-30,291.20

Finding the Fourth Proportional to 49,150.40, 67,828.80 and 30,291.20

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Solution

The fourth proportional to 49,150.40, 67,828.80 and 30,291.20 is: 41,802.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,150.40 : 67,828.80 = 30,291.20 : x
  2. Step 2: Convert to fraction form
    49,150.40/67,828.80 = 30,291.20/x
  3. Step 3: Cross multiply
    49,150.40x = 67,828.80 × 30,291.20
  4. Step 4: Simplify right side
    49,150.40x = 2,054,615,746.56
  5. Step 5: Solve for x
    x = 2,054,615,746.56/49,150.40
  6. Step 6: Final answer
    x = 41,802.63

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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.