Home / 30,633.40-45,950.10-27,911.80

Finding the Fourth Proportional to 30,633.40, 45,950.10 and 27,911.80

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Solution

The fourth proportional to 30,633.40, 45,950.10 and 27,911.80 is: 41,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,633.40 : 45,950.10 = 27,911.80 : x
  2. Step 2: Convert to fraction form
    30,633.40/45,950.10 = 27,911.80/x
  3. Step 3: Cross multiply
    30,633.40x = 45,950.10 × 27,911.80
  4. Step 4: Simplify right side
    30,633.40x = 1,282,550,001.18
  5. Step 5: Solve for x
    x = 1,282,550,001.18/30,633.40
  6. Step 6: Final answer
    x = 41,867.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.