Home / 54,130.80-74,700.24-30,257.40

Finding the Fourth Proportional to 54,130.80, 74,700.24 and 30,257.40

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Solution

The fourth proportional to 54,130.80, 74,700.24 and 30,257.40 is: 41,755.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,130.80 : 74,700.24 = 30,257.40 : x
  2. Step 2: Convert to fraction form
    54,130.80/74,700.24 = 30,257.40/x
  3. Step 3: Cross multiply
    54,130.80x = 74,700.24 × 30,257.40
  4. Step 4: Simplify right side
    54,130.80x = 2,260,235,041.78
  5. Step 5: Solve for x
    x = 2,260,235,041.78/54,130.80
  6. Step 6: Final answer
    x = 41,755.06

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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.