Home / 40,811.40-61,130.70-26,814.60

Finding the Fourth Proportional to 40,811.40, 61,130.70 and 26,814.60

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Solution

The fourth proportional to 40,811.40, 61,130.70 and 26,814.60 is: 40,165.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,811.40 : 61,130.70 = 26,814.60 : x
  2. Step 2: Convert to fraction form
    40,811.40/61,130.70 = 26,814.60/x
  3. Step 3: Cross multiply
    40,811.40x = 61,130.70 × 26,814.60
  4. Step 4: Simplify right side
    40,811.40x = 1,639,195,268.22
  5. Step 5: Solve for x
    x = 1,639,195,268.22/40,811.40
  6. Step 6: Final answer
    x = 40,165.13

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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.