Home / 30,779.94-46,151.42-12,037.62

Finding the Fourth Proportional to 30,779.94, 46,151.42 and 12,037.62

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Solution

The fourth proportional to 30,779.94, 46,151.42 and 12,037.62 is: 18,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,779.94 : 46,151.42 = 12,037.62 : x
  2. Step 2: Convert to fraction form
    30,779.94/46,151.42 = 12,037.62/x
  3. Step 3: Cross multiply
    30,779.94x = 46,151.42 × 12,037.62
  4. Step 4: Simplify right side
    30,779.94x = 555,553,196.23
  5. Step 5: Solve for x
    x = 555,553,196.23/30,779.94
  6. Step 6: Final answer
    x = 18,049.20

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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.