Home / 55,574.07-76,692.21-30,423.57

Finding the Fourth Proportional to 55,574.07, 76,692.21 and 30,423.57

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Solution

The fourth proportional to 55,574.07, 76,692.21 and 30,423.57 is: 41,984.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,574.07 : 76,692.21 = 30,423.57 : x
  2. Step 2: Convert to fraction form
    55,574.07/76,692.21 = 30,423.57/x
  3. Step 3: Cross multiply
    55,574.07x = 76,692.21 × 30,423.57
  4. Step 4: Simplify right side
    55,574.07x = 2,333,250,819.39
  5. Step 5: Solve for x
    x = 2,333,250,819.39/55,574.07
  6. Step 6: Final answer
    x = 41,984.52

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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.