Home / 55,533.62-76,633.35-30,381.50

Finding the Fourth Proportional to 55,533.62, 76,633.35 and 30,381.50

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Solution

The fourth proportional to 55,533.62, 76,633.35 and 30,381.50 is: 41,924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,533.62 : 76,633.35 = 30,381.50 : x
  2. Step 2: Convert to fraction form
    55,533.62/76,633.35 = 30,381.50/x
  3. Step 3: Cross multiply
    55,533.62x = 76,633.35 × 30,381.50
  4. Step 4: Simplify right side
    55,533.62x = 2,328,236,123.03
  5. Step 5: Solve for x
    x = 2,328,236,123.03/55,533.62
  6. Step 6: Final answer
    x = 41,924.80

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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.