Home / 55,977.36-77,247.72-30,826.32

Finding the Fourth Proportional to 55,977.36, 77,247.72 and 30,826.32

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Solution

The fourth proportional to 55,977.36, 77,247.72 and 30,826.32 is: 42,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,977.36 : 77,247.72 = 30,826.32 : x
  2. Step 2: Convert to fraction form
    55,977.36/77,247.72 = 30,826.32/x
  3. Step 3: Cross multiply
    55,977.36x = 77,247.72 × 30,826.32
  4. Step 4: Simplify right side
    55,977.36x = 2,381,262,935.99
  5. Step 5: Solve for x
    x = 2,381,262,935.99/55,977.36
  6. Step 6: Final answer
    x = 42,539.75

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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.