Home / 48,290.24-72,427.59-13,221.70

Finding the Fourth Proportional to 48,290.24, 72,427.59 and 13,221.70

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Solution

The fourth proportional to 48,290.24, 72,427.59 and 13,221.70 is: 19,830.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,290.24 : 72,427.59 = 13,221.70 : x
  2. Step 2: Convert to fraction form
    48,290.24/72,427.59 = 13,221.70/x
  3. Step 3: Cross multiply
    48,290.24x = 72,427.59 × 13,221.70
  4. Step 4: Simplify right side
    48,290.24x = 957,615,685.63
  5. Step 5: Solve for x
    x = 957,615,685.63/48,290.24
  6. Step 6: Final answer
    x = 19,830.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.