Home / 30,731.68-46,050.36-18,227.08

Finding the Fourth Proportional to 30,731.68, 46,050.36 and 18,227.08

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Solution

The fourth proportional to 30,731.68, 46,050.36 and 18,227.08 is: 27,312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,731.68 : 46,050.36 = 18,227.08 : x
  2. Step 2: Convert to fraction form
    30,731.68/46,050.36 = 18,227.08/x
  3. Step 3: Cross multiply
    30,731.68x = 46,050.36 × 18,227.08
  4. Step 4: Simplify right side
    30,731.68x = 839,363,595.75
  5. Step 5: Solve for x
    x = 839,363,595.75/30,731.68
  6. Step 6: Final answer
    x = 27,312.65

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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.