Home / 54,383.16-75,047.52-30,509.28

Finding the Fourth Proportional to 54,383.16, 75,047.52 and 30,509.28

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Solution

The fourth proportional to 54,383.16, 75,047.52 and 30,509.28 is: 42,102.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,383.16 : 75,047.52 = 30,509.28 : x
  2. Step 2: Convert to fraction form
    54,383.16/75,047.52 = 30,509.28/x
  3. Step 3: Cross multiply
    54,383.16x = 75,047.52 × 30,509.28
  4. Step 4: Simplify right side
    54,383.16x = 2,289,645,800.99
  5. Step 5: Solve for x
    x = 2,289,645,800.99/54,383.16
  6. Step 6: Final answer
    x = 42,102.11

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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.