Home / 55,432.55-76,496.78-30,282.23

Finding the Fourth Proportional to 55,432.55, 76,496.78 and 30,282.23

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Solution

The fourth proportional to 55,432.55, 76,496.78 and 30,282.23 is: 41,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,432.55 : 76,496.78 = 30,282.23 : x
  2. Step 2: Convert to fraction form
    55,432.55/76,496.78 = 30,282.23/x
  3. Step 3: Cross multiply
    55,432.55x = 76,496.78 × 30,282.23
  4. Step 4: Simplify right side
    55,432.55x = 2,316,492,779.44
  5. Step 5: Solve for x
    x = 2,316,492,779.44/55,432.55
  6. Step 6: Final answer
    x = 41,789.40

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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.