Home / 56,107.24-77,427.60-31,908.20

Finding the Fourth Proportional to 56,107.24, 77,427.60 and 31,908.20

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Solution

The fourth proportional to 56,107.24, 77,427.60 and 31,908.20 is: 44,033.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,107.24 : 77,427.60 = 31,908.20 : x
  2. Step 2: Convert to fraction form
    56,107.24/77,427.60 = 31,908.20/x
  3. Step 3: Cross multiply
    56,107.24x = 77,427.60 × 31,908.20
  4. Step 4: Simplify right side
    56,107.24x = 2,470,575,346.32
  5. Step 5: Solve for x
    x = 2,470,575,346.32/56,107.24
  6. Step 6: Final answer
    x = 44,033.09

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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.