Home / 55,574.16-76,692.34-30,423.66

Finding the Fourth Proportional to 55,574.16, 76,692.34 and 30,423.66

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Solution

The fourth proportional to 55,574.16, 76,692.34 and 30,423.66 is: 41,984.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,574.16 : 76,692.34 = 30,423.66 : x
  2. Step 2: Convert to fraction form
    55,574.16/76,692.34 = 30,423.66/x
  3. Step 3: Cross multiply
    55,574.16x = 76,692.34 × 30,423.66
  4. Step 4: Simplify right side
    55,574.16x = 2,333,261,370.15
  5. Step 5: Solve for x
    x = 2,333,261,370.15/55,574.16
  6. Step 6: Final answer
    x = 41,984.65

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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.