Home / 30,664.40-42,197.30-27,136.04

Finding the Fourth Proportional to 30,664.40, 42,197.30 and 27,136.04

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Solution

The fourth proportional to 30,664.40, 42,197.30 and 27,136.04 is: 37,341.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,664.40 : 42,197.30 = 27,136.04 : x
  2. Step 2: Convert to fraction form
    30,664.40/42,197.30 = 27,136.04/x
  3. Step 3: Cross multiply
    30,664.40x = 42,197.30 × 27,136.04
  4. Step 4: Simplify right side
    30,664.40x = 1,145,067,274.03
  5. Step 5: Solve for x
    x = 1,145,067,274.03/30,664.40
  6. Step 6: Final answer
    x = 37,341.92

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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.