Home / 54,087.09-74,632.77-30,210.72

Finding the Fourth Proportional to 54,087.09, 74,632.77 and 30,210.72

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Solution

The fourth proportional to 54,087.09, 74,632.77 and 30,210.72 is: 41,686.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,087.09 : 74,632.77 = 30,210.72 : x
  2. Step 2: Convert to fraction form
    54,087.09/74,632.77 = 30,210.72/x
  3. Step 3: Cross multiply
    54,087.09x = 74,632.77 × 30,210.72
  4. Step 4: Simplify right side
    54,087.09x = 2,254,709,717.29
  5. Step 5: Solve for x
    x = 2,254,709,717.29/54,087.09
  6. Step 6: Final answer
    x = 41,686.65

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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.