Home / 56,840.38-85,320-23,580.19

Finding the Fourth Proportional to 56,840.38, 85,320 and 23,580.19

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Solution

The fourth proportional to 56,840.38, 85,320 and 23,580.19 is: 35,394.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,840.38 : 85,320 = 23,580.19 : x
  2. Step 2: Convert to fraction form
    56,840.38/85,320 = 23,580.19/x
  3. Step 3: Cross multiply
    56,840.38x = 85,320 × 23,580.19
  4. Step 4: Simplify right side
    56,840.38x = 2,011,861,917.45
  5. Step 5: Solve for x
    x = 2,011,861,917.45/56,840.38
  6. Step 6: Final answer
    x = 35,394.94

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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.