Home / 56,021.28-77,308.36-30,527.83

Finding the Fourth Proportional to 56,021.28, 77,308.36 and 30,527.83

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Solution

The fourth proportional to 56,021.28, 77,308.36 and 30,527.83 is: 42,127.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,021.28 : 77,308.36 = 30,527.83 : x
  2. Step 2: Convert to fraction form
    56,021.28/77,308.36 = 30,527.83/x
  3. Step 3: Cross multiply
    56,021.28x = 77,308.36 × 30,527.83
  4. Step 4: Simplify right side
    56,021.28x = 2,360,056,471.66
  5. Step 5: Solve for x
    x = 2,360,056,471.66/56,021.28
  6. Step 6: Final answer
    x = 42,127.86

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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.