Home / 54,316.41-74,950.57-30,439.63

Finding the Fourth Proportional to 54,316.41, 74,950.57 and 30,439.63

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Solution

The fourth proportional to 54,316.41, 74,950.57 and 30,439.63 is: 42,003.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,316.41 : 74,950.57 = 30,439.63 : x
  2. Step 2: Convert to fraction form
    54,316.41/74,950.57 = 30,439.63/x
  3. Step 3: Cross multiply
    54,316.41x = 74,950.57 × 30,439.63
  4. Step 4: Simplify right side
    54,316.41x = 2,281,467,579.60
  5. Step 5: Solve for x
    x = 2,281,467,579.60/54,316.41
  6. Step 6: Final answer
    x = 42,003.29

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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.