Home / 35,788.80-49,340.16-30,190.08

Finding the Fourth Proportional to 35,788.80, 49,340.16 and 30,190.08

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Solution

The fourth proportional to 35,788.80, 49,340.16 and 30,190.08 is: 41,621.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,788.80 : 49,340.16 = 30,190.08 : x
  2. Step 2: Convert to fraction form
    35,788.80/49,340.16 = 30,190.08/x
  3. Step 3: Cross multiply
    35,788.80x = 49,340.16 × 30,190.08
  4. Step 4: Simplify right side
    35,788.80x = 1,489,583,377.61
  5. Step 5: Solve for x
    x = 1,489,583,377.61/35,788.80
  6. Step 6: Final answer
    x = 41,621.50

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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.