Home / 56,308.55-77,705.80-30,814.91

Finding the Fourth Proportional to 56,308.55, 77,705.80 and 30,814.91

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Solution

The fourth proportional to 56,308.55, 77,705.80 and 30,814.91 is: 42,524.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,308.55 : 77,705.80 = 30,814.91 : x
  2. Step 2: Convert to fraction form
    56,308.55/77,705.80 = 30,814.91/x
  3. Step 3: Cross multiply
    56,308.55x = 77,705.80 × 30,814.91
  4. Step 4: Simplify right side
    56,308.55x = 2,394,497,496.40
  5. Step 5: Solve for x
    x = 2,394,497,496.40/56,308.55
  6. Step 6: Final answer
    x = 42,524.58

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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.