Home / 56,073.60-77,380.58-30,580.16

Finding the Fourth Proportional to 56,073.60, 77,380.58 and 30,580.16

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Solution

The fourth proportional to 56,073.60, 77,380.58 and 30,580.16 is: 42,200.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,073.60 : 77,380.58 = 30,580.16 : x
  2. Step 2: Convert to fraction form
    56,073.60/77,380.58 = 30,580.16/x
  3. Step 3: Cross multiply
    56,073.60x = 77,380.58 × 30,580.16
  4. Step 4: Simplify right side
    56,073.60x = 2,366,309,977.49
  5. Step 5: Solve for x
    x = 2,366,309,977.49/56,073.60
  6. Step 6: Final answer
    x = 42,200.07

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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.