Home / 56,228.44-77,596.14-31,078.12

Finding the Fourth Proportional to 56,228.44, 77,596.14 and 31,078.12

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Solution

The fourth proportional to 56,228.44, 77,596.14 and 31,078.12 is: 42,888.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,228.44 : 77,596.14 = 31,078.12 : x
  2. Step 2: Convert to fraction form
    56,228.44/77,596.14 = 31,078.12/x
  3. Step 3: Cross multiply
    56,228.44x = 77,596.14 × 31,078.12
  4. Step 4: Simplify right side
    56,228.44x = 2,411,542,150.46
  5. Step 5: Solve for x
    x = 2,411,542,150.46/56,228.44
  6. Step 6: Final answer
    x = 42,888.30

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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.