Home / 30,624.80-42,259.08-17,197.54

Finding the Fourth Proportional to 30,624.80, 42,259.08 and 17,197.54

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Solution

The fourth proportional to 30,624.80, 42,259.08 and 17,197.54 is: 23,730.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,624.80 : 42,259.08 = 17,197.54 : x
  2. Step 2: Convert to fraction form
    30,624.80/42,259.08 = 17,197.54/x
  3. Step 3: Cross multiply
    30,624.80x = 42,259.08 × 17,197.54
  4. Step 4: Simplify right side
    30,624.80x = 726,752,218.66
  5. Step 5: Solve for x
    x = 726,752,218.66/30,624.80
  6. Step 6: Final answer
    x = 23,730.84

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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.