Home / 35,780.55-49,356.38-30,141.74

Finding the Fourth Proportional to 35,780.55, 49,356.38 and 30,141.74

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Solution

The fourth proportional to 35,780.55, 49,356.38 and 30,141.74 is: 41,578.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,780.55 : 49,356.38 = 30,141.74 : x
  2. Step 2: Convert to fraction form
    35,780.55/49,356.38 = 30,141.74/x
  3. Step 3: Cross multiply
    35,780.55x = 49,356.38 × 30,141.74
  4. Step 4: Simplify right side
    35,780.55x = 1,487,686,775.81
  5. Step 5: Solve for x
    x = 1,487,686,775.81/35,780.55
  6. Step 6: Final answer
    x = 41,578.09

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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.