Home / 54,477.57-75,178.59-30,603.73

Finding the Fourth Proportional to 54,477.57, 75,178.59 and 30,603.73

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Solution

The fourth proportional to 54,477.57, 75,178.59 and 30,603.73 is: 42,232.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,477.57 : 75,178.59 = 30,603.73 : x
  2. Step 2: Convert to fraction form
    54,477.57/75,178.59 = 30,603.73/x
  3. Step 3: Cross multiply
    54,477.57x = 75,178.59 × 30,603.73
  4. Step 4: Simplify right side
    54,477.57x = 2,300,745,024.81
  5. Step 5: Solve for x
    x = 2,300,745,024.81/54,477.57
  6. Step 6: Final answer
    x = 42,232.89

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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.