Home / 56,214.64-77,577.66-30,722.08

Finding the Fourth Proportional to 56,214.64, 77,577.66 and 30,722.08

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Solution

The fourth proportional to 56,214.64, 77,577.66 and 30,722.08 is: 42,397.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,214.64 : 77,577.66 = 30,722.08 : x
  2. Step 2: Convert to fraction form
    56,214.64/77,577.66 = 30,722.08/x
  3. Step 3: Cross multiply
    56,214.64x = 77,577.66 × 30,722.08
  4. Step 4: Simplify right side
    56,214.64x = 2,383,347,076.73
  5. Step 5: Solve for x
    x = 2,383,347,076.73/56,214.64
  6. Step 6: Final answer
    x = 42,397.27

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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.