Home / 54,002.63-74,523.85-30,130.31

Finding the Fourth Proportional to 54,002.63, 74,523.85 and 30,130.31

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Solution

The fourth proportional to 54,002.63, 74,523.85 and 30,130.31 is: 41,579.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,002.63 : 74,523.85 = 30,130.31 : x
  2. Step 2: Convert to fraction form
    54,002.63/74,523.85 = 30,130.31/x
  3. Step 3: Cross multiply
    54,002.63x = 74,523.85 × 30,130.31
  4. Step 4: Simplify right side
    54,002.63x = 2,245,426,813.88
  5. Step 5: Solve for x
    x = 2,245,426,813.88/54,002.63
  6. Step 6: Final answer
    x = 41,579.95

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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.