Home / 56,308.60-77,703.54-30,814.32

Finding the Fourth Proportional to 56,308.60, 77,703.54 and 30,814.32

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Solution

The fourth proportional to 56,308.60, 77,703.54 and 30,814.32 is: 42,522.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,308.60 : 77,703.54 = 30,814.32 : x
  2. Step 2: Convert to fraction form
    56,308.60/77,703.54 = 30,814.32/x
  3. Step 3: Cross multiply
    56,308.60x = 77,703.54 × 30,814.32
  4. Step 4: Simplify right side
    56,308.60x = 2,394,381,922.53
  5. Step 5: Solve for x
    x = 2,394,381,922.53/56,308.60
  6. Step 6: Final answer
    x = 42,522.49

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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.