Home / 56,490.48-77,954.22-30,996.27

Finding the Fourth Proportional to 56,490.48, 77,954.22 and 30,996.27

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Solution

The fourth proportional to 56,490.48, 77,954.22 and 30,996.27 is: 42,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,490.48 : 77,954.22 = 30,996.27 : x
  2. Step 2: Convert to fraction form
    56,490.48/77,954.22 = 30,996.27/x
  3. Step 3: Cross multiply
    56,490.48x = 77,954.22 × 30,996.27
  4. Step 4: Simplify right side
    56,490.48x = 2,416,290,050.76
  5. Step 5: Solve for x
    x = 2,416,290,050.76/56,490.48
  6. Step 6: Final answer
    x = 42,773.40

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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.