Home / 54,384.45-75,051.27-30,509.70

Finding the Fourth Proportional to 54,384.45, 75,051.27 and 30,509.70

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Solution

The fourth proportional to 54,384.45, 75,051.27 and 30,509.70 is: 42,103.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,384.45 : 75,051.27 = 30,509.70 : x
  2. Step 2: Convert to fraction form
    54,384.45/75,051.27 = 30,509.70/x
  3. Step 3: Cross multiply
    54,384.45x = 75,051.27 × 30,509.70
  4. Step 4: Simplify right side
    54,384.45x = 2,289,791,732.32
  5. Step 5: Solve for x
    x = 2,289,791,732.32/54,384.45
  6. Step 6: Final answer
    x = 42,103.79

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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.