Home / 54,335.18-74,986.16-30,463.40

Finding the Fourth Proportional to 54,335.18, 74,986.16 and 30,463.40

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Solution

The fourth proportional to 54,335.18, 74,986.16 and 30,463.40 is: 42,041.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,335.18 : 74,986.16 = 30,463.40 : x
  2. Step 2: Convert to fraction form
    54,335.18/74,986.16 = 30,463.40/x
  3. Step 3: Cross multiply
    54,335.18x = 74,986.16 × 30,463.40
  4. Step 4: Simplify right side
    54,335.18x = 2,284,333,234.23
  5. Step 5: Solve for x
    x = 2,284,333,234.23/54,335.18
  6. Step 6: Final answer
    x = 42,041.51

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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.