Home / 30,757.86-46,192.41-28,415.34

Finding the Fourth Proportional to 30,757.86, 46,192.41 and 28,415.34

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Solution

The fourth proportional to 30,757.86, 46,192.41 and 28,415.34 is: 42,674.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,757.86 : 46,192.41 = 28,415.34 : x
  2. Step 2: Convert to fraction form
    30,757.86/46,192.41 = 28,415.34/x
  3. Step 3: Cross multiply
    30,757.86x = 46,192.41 × 28,415.34
  4. Step 4: Simplify right side
    30,757.86x = 1,312,573,035.57
  5. Step 5: Solve for x
    x = 1,312,573,035.57/30,757.86
  6. Step 6: Final answer
    x = 42,674.39

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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.