Home / 54,400.86-75,080.66-30,528.95

Finding the Fourth Proportional to 54,400.86, 75,080.66 and 30,528.95

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Solution

The fourth proportional to 54,400.86, 75,080.66 and 30,528.95 is: 42,134.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,400.86 : 75,080.66 = 30,528.95 : x
  2. Step 2: Convert to fraction form
    54,400.86/75,080.66 = 30,528.95/x
  3. Step 3: Cross multiply
    54,400.86x = 75,080.66 × 30,528.95
  4. Step 4: Simplify right side
    54,400.86x = 2,292,133,715.11
  5. Step 5: Solve for x
    x = 2,292,133,715.11/54,400.86
  6. Step 6: Final answer
    x = 42,134.14

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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.