Home / 56,361.46-77,779.68-30,867.36

Finding the Fourth Proportional to 56,361.46, 77,779.68 and 30,867.36

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Solution

The fourth proportional to 56,361.46, 77,779.68 and 30,867.36 is: 42,597.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,361.46 : 77,779.68 = 30,867.36 : x
  2. Step 2: Convert to fraction form
    56,361.46/77,779.68 = 30,867.36/x
  3. Step 3: Cross multiply
    56,361.46x = 77,779.68 × 30,867.36
  4. Step 4: Simplify right side
    56,361.46x = 2,400,853,383.24
  5. Step 5: Solve for x
    x = 2,400,853,383.24/56,361.46
  6. Step 6: Final answer
    x = 42,597.43

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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.