Home / 55,574.15-76,692.35-30,423.65

Finding the Fourth Proportional to 55,574.15, 76,692.35 and 30,423.65

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Solution

The fourth proportional to 55,574.15, 76,692.35 and 30,423.65 is: 41,984.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,574.15 : 76,692.35 = 30,423.65 : x
  2. Step 2: Convert to fraction form
    55,574.15/76,692.35 = 30,423.65/x
  3. Step 3: Cross multiply
    55,574.15x = 76,692.35 × 30,423.65
  4. Step 4: Simplify right side
    55,574.15x = 2,333,260,906.67
  5. Step 5: Solve for x
    x = 2,333,260,906.67/55,574.15
  6. Step 6: Final answer
    x = 41,984.65

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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.