Home / 56,435.43-77,881.77-30,944.12

Finding the Fourth Proportional to 56,435.43, 77,881.77 and 30,944.12

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Solution

The fourth proportional to 56,435.43, 77,881.77 and 30,944.12 is: 42,703.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,435.43 : 77,881.77 = 30,944.12 : x
  2. Step 2: Convert to fraction form
    56,435.43/77,881.77 = 30,944.12/x
  3. Step 3: Cross multiply
    56,435.43x = 77,881.77 × 30,944.12
  4. Step 4: Simplify right side
    56,435.43x = 2,409,982,836.69
  5. Step 5: Solve for x
    x = 2,409,982,836.69/56,435.43
  6. Step 6: Final answer
    x = 42,703.37

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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.