Home / 30,095.65-41,518.22-19,488.70

Finding the Fourth Proportional to 30,095.65, 41,518.22 and 19,488.70

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Solution

The fourth proportional to 30,095.65, 41,518.22 and 19,488.70 is: 26,885.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,095.65 : 41,518.22 = 19,488.70 : x
  2. Step 2: Convert to fraction form
    30,095.65/41,518.22 = 19,488.70/x
  3. Step 3: Cross multiply
    30,095.65x = 41,518.22 × 19,488.70
  4. Step 4: Simplify right side
    30,095.65x = 809,136,198.19
  5. Step 5: Solve for x
    x = 809,136,198.19/30,095.65
  6. Step 6: Final answer
    x = 26,885.49

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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.