Home / 54,329.19-74,974.83-30,130.63

Finding the Fourth Proportional to 54,329.19, 74,974.83 and 30,130.63

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Solution

The fourth proportional to 54,329.19, 74,974.83 and 30,130.63 is: 41,580.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,329.19 : 74,974.83 = 30,130.63 : x
  2. Step 2: Convert to fraction form
    54,329.19/74,974.83 = 30,130.63/x
  3. Step 3: Cross multiply
    54,329.19x = 74,974.83 × 30,130.63
  4. Step 4: Simplify right side
    54,329.19x = 2,259,038,487.17
  5. Step 5: Solve for x
    x = 2,259,038,487.17/54,329.19
  6. Step 6: Final answer
    x = 41,580.57

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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.