Home / 54,017.65-74,536.87-30,139.68

Finding the Fourth Proportional to 54,017.65, 74,536.87 and 30,139.68

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Solution

The fourth proportional to 54,017.65, 74,536.87 and 30,139.68 is: 41,588.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,017.65 : 74,536.87 = 30,139.68 : x
  2. Step 2: Convert to fraction form
    54,017.65/74,536.87 = 30,139.68/x
  3. Step 3: Cross multiply
    54,017.65x = 74,536.87 × 30,139.68
  4. Step 4: Simplify right side
    54,017.65x = 2,246,517,410.00
  5. Step 5: Solve for x
    x = 2,246,517,410.00/54,017.65
  6. Step 6: Final answer
    x = 41,588.58

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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.