Home / 54,029.28-74,561.21-30,157.77

Finding the Fourth Proportional to 54,029.28, 74,561.21 and 30,157.77

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Solution

The fourth proportional to 54,029.28, 74,561.21 and 30,157.77 is: 41,618.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,029.28 : 74,561.21 = 30,157.77 : x
  2. Step 2: Convert to fraction form
    54,029.28/74,561.21 = 30,157.77/x
  3. Step 3: Cross multiply
    54,029.28x = 74,561.21 × 30,157.77
  4. Step 4: Simplify right side
    54,029.28x = 2,248,599,671.31
  5. Step 5: Solve for x
    x = 2,248,599,671.31/54,029.28
  6. Step 6: Final answer
    x = 41,618.17

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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.