Home / 30,320.03-41,826.59-20,261.96

Finding the Fourth Proportional to 30,320.03, 41,826.59 and 20,261.96

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Solution

The fourth proportional to 30,320.03, 41,826.59 and 20,261.96 is: 27,951.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,320.03 : 41,826.59 = 20,261.96 : x
  2. Step 2: Convert to fraction form
    30,320.03/41,826.59 = 20,261.96/x
  3. Step 3: Cross multiply
    30,320.03x = 41,826.59 × 20,261.96
  4. Step 4: Simplify right side
    30,320.03x = 847,488,693.52
  5. Step 5: Solve for x
    x = 847,488,693.52/30,320.03
  6. Step 6: Final answer
    x = 27,951.45

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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.