Home / 55,835.88-77,052.90-30,684.84

Finding the Fourth Proportional to 55,835.88, 77,052.90 and 30,684.84

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Solution

The fourth proportional to 55,835.88, 77,052.90 and 30,684.84 is: 42,344.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,835.88 : 77,052.90 = 30,684.84 : x
  2. Step 2: Convert to fraction form
    55,835.88/77,052.90 = 30,684.84/x
  3. Step 3: Cross multiply
    55,835.88x = 77,052.90 × 30,684.84
  4. Step 4: Simplify right side
    55,835.88x = 2,364,355,908.04
  5. Step 5: Solve for x
    x = 2,364,355,908.04/55,835.88
  6. Step 6: Final answer
    x = 42,344.74

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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.