Home / 49,356.88-68,088.84-30,487.12

Finding the Fourth Proportional to 49,356.88, 68,088.84 and 30,487.12

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Solution

The fourth proportional to 49,356.88, 68,088.84 and 30,487.12 is: 42,057.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,356.88 : 68,088.84 = 30,487.12 : x
  2. Step 2: Convert to fraction form
    49,356.88/68,088.84 = 30,487.12/x
  3. Step 3: Cross multiply
    49,356.88x = 68,088.84 × 30,487.12
  4. Step 4: Simplify right side
    49,356.88x = 2,075,832,635.74
  5. Step 5: Solve for x
    x = 2,075,832,635.74/49,356.88
  6. Step 6: Final answer
    x = 42,057.61

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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.