Home / 55,770.94-76,962.18-30,276.10

Finding the Fourth Proportional to 55,770.94, 76,962.18 and 30,276.10

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Solution

The fourth proportional to 55,770.94, 76,962.18 and 30,276.10 is: 41,780.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,770.94 : 76,962.18 = 30,276.10 : x
  2. Step 2: Convert to fraction form
    55,770.94/76,962.18 = 30,276.10/x
  3. Step 3: Cross multiply
    55,770.94x = 76,962.18 × 30,276.10
  4. Step 4: Simplify right side
    55,770.94x = 2,330,114,657.90
  5. Step 5: Solve for x
    x = 2,330,114,657.90/55,770.94
  6. Step 6: Final answer
    x = 41,780.09

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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.