Home / 30,288.88-41,795.76-22,335.40

Finding the Fourth Proportional to 30,288.88, 41,795.76 and 22,335.40

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Solution

The fourth proportional to 30,288.88, 41,795.76 and 22,335.40 is: 30,820.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288.88 : 41,795.76 = 22,335.40 : x
  2. Step 2: Convert to fraction form
    30,288.88/41,795.76 = 22,335.40/x
  3. Step 3: Cross multiply
    30,288.88x = 41,795.76 × 22,335.40
  4. Step 4: Simplify right side
    30,288.88x = 933,525,017.90
  5. Step 5: Solve for x
    x = 933,525,017.90/30,288.88
  6. Step 6: Final answer
    x = 30,820.72

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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.