Home / 77,349.98-116,025.07-21,190.59

Finding the Fourth Proportional to 77,349.98, 116,025.07 and 21,190.59

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Solution

The fourth proportional to 77,349.98, 116,025.07 and 21,190.59 is: 31,785.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,349.98 : 116,025.07 = 21,190.59 : x
  2. Step 2: Convert to fraction form
    77,349.98/116,025.07 = 21,190.59/x
  3. Step 3: Cross multiply
    77,349.98x = 116,025.07 × 21,190.59
  4. Step 4: Simplify right side
    77,349.98x = 2,458,639,688.09
  5. Step 5: Solve for x
    x = 2,458,639,688.09/77,349.98
  6. Step 6: Final answer
    x = 31,785.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.