Home / 30,769.47-46,136.59-18,298.20

Finding the Fourth Proportional to 30,769.47, 46,136.59 and 18,298.20

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Solution

The fourth proportional to 30,769.47, 46,136.59 and 18,298.20 is: 27,436.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,769.47 : 46,136.59 = 18,298.20 : x
  2. Step 2: Convert to fraction form
    30,769.47/46,136.59 = 18,298.20/x
  3. Step 3: Cross multiply
    30,769.47x = 46,136.59 × 18,298.20
  4. Step 4: Simplify right side
    30,769.47x = 844,216,678.40
  5. Step 5: Solve for x
    x = 844,216,678.40/30,769.47
  6. Step 6: Final answer
    x = 27,436.83

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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.