Home / 53,325.78-73,581.12-30,660.36

Finding the Fourth Proportional to 53,325.78, 73,581.12 and 30,660.36

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Solution

The fourth proportional to 53,325.78, 73,581.12 and 30,660.36 is: 42,306.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,325.78 : 73,581.12 = 30,660.36 : x
  2. Step 2: Convert to fraction form
    53,325.78/73,581.12 = 30,660.36/x
  3. Step 3: Cross multiply
    53,325.78x = 73,581.12 × 30,660.36
  4. Step 4: Simplify right side
    53,325.78x = 2,256,023,628.40
  5. Step 5: Solve for x
    x = 2,256,023,628.40/53,325.78
  6. Step 6: Final answer
    x = 42,306.43

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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.