Home / 55,574.08-76,692.36-30,425.20

Finding the Fourth Proportional to 55,574.08, 76,692.36 and 30,425.20

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Solution

The fourth proportional to 55,574.08, 76,692.36 and 30,425.20 is: 41,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,574.08 : 76,692.36 = 30,425.20 : x
  2. Step 2: Convert to fraction form
    55,574.08/76,692.36 = 30,425.20/x
  3. Step 3: Cross multiply
    55,574.08x = 76,692.36 × 30,425.20
  4. Step 4: Simplify right side
    55,574.08x = 2,333,380,391.47
  5. Step 5: Solve for x
    x = 2,333,380,391.47/55,574.08
  6. Step 6: Final answer
    x = 41,986.85

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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.