Home / 30,422.04-42,002.16-27,229.80

Finding the Fourth Proportional to 30,422.04, 42,002.16 and 27,229.80

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Solution

The fourth proportional to 30,422.04, 42,002.16 and 27,229.80 is: 37,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,422.04 : 42,002.16 = 27,229.80 : x
  2. Step 2: Convert to fraction form
    30,422.04/42,002.16 = 27,229.80/x
  3. Step 3: Cross multiply
    30,422.04x = 42,002.16 × 27,229.80
  4. Step 4: Simplify right side
    30,422.04x = 1,143,710,416.37
  5. Step 5: Solve for x
    x = 1,143,710,416.37/30,422.04
  6. Step 6: Final answer
    x = 37,594.80

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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.