Home / 56,121.04-77,443.93-31,918.74

Finding the Fourth Proportional to 56,121.04, 77,443.93 and 31,918.74

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Solution

The fourth proportional to 56,121.04, 77,443.93 and 31,918.74 is: 44,046.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,121.04 : 77,443.93 = 31,918.74 : x
  2. Step 2: Convert to fraction form
    56,121.04/77,443.93 = 31,918.74/x
  3. Step 3: Cross multiply
    56,121.04x = 77,443.93 × 31,918.74
  4. Step 4: Simplify right side
    56,121.04x = 2,471,912,415.73
  5. Step 5: Solve for x
    x = 2,471,912,415.73/56,121.04
  6. Step 6: Final answer
    x = 44,046.09

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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.