Home / 53,330.68-73,603.38-30,974.68

Finding the Fourth Proportional to 53,330.68, 73,603.38 and 30,974.68

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Solution

The fourth proportional to 53,330.68, 73,603.38 and 30,974.68 is: 42,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,330.68 : 73,603.38 = 30,974.68 : x
  2. Step 2: Convert to fraction form
    53,330.68/73,603.38 = 30,974.68/x
  3. Step 3: Cross multiply
    53,330.68x = 73,603.38 × 30,974.68
  4. Step 4: Simplify right side
    53,330.68x = 2,279,841,142.42
  5. Step 5: Solve for x
    x = 2,279,841,142.42/53,330.68
  6. Step 6: Final answer
    x = 42,749.15

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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.