Home / 55,840.32-77,059.92-30,346.88

Finding the Fourth Proportional to 55,840.32, 77,059.92 and 30,346.88

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Solution

The fourth proportional to 55,840.32, 77,059.92 and 30,346.88 is: 41,878.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,840.32 : 77,059.92 = 30,346.88 : x
  2. Step 2: Convert to fraction form
    55,840.32/77,059.92 = 30,346.88/x
  3. Step 3: Cross multiply
    55,840.32x = 77,059.92 × 30,346.88
  4. Step 4: Simplify right side
    55,840.32x = 2,338,528,145.05
  5. Step 5: Solve for x
    x = 2,338,528,145.05/55,840.32
  6. Step 6: Final answer
    x = 41,878.85

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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.