Home / 30,490.45-42,076.91-17,060.83

Finding the Fourth Proportional to 30,490.45, 42,076.91 and 17,060.83

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Solution

The fourth proportional to 30,490.45, 42,076.91 and 17,060.83 is: 23,544.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,490.45 : 42,076.91 = 17,060.83 : x
  2. Step 2: Convert to fraction form
    30,490.45/42,076.91 = 17,060.83/x
  3. Step 3: Cross multiply
    30,490.45x = 42,076.91 × 17,060.83
  4. Step 4: Simplify right side
    30,490.45x = 717,866,945.90
  5. Step 5: Solve for x
    x = 717,866,945.90/30,490.45
  6. Step 6: Final answer
    x = 23,544.00

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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.