Home / 47,409.09-65,424.13-26,187.90

Finding the Fourth Proportional to 47,409.09, 65,424.13 and 26,187.90

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Solution

The fourth proportional to 47,409.09, 65,424.13 and 26,187.90 is: 36,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,409.09 : 65,424.13 = 26,187.90 : x
  2. Step 2: Convert to fraction form
    47,409.09/65,424.13 = 26,187.90/x
  3. Step 3: Cross multiply
    47,409.09x = 65,424.13 × 26,187.90
  4. Step 4: Simplify right side
    47,409.09x = 1,713,320,574.03
  5. Step 5: Solve for x
    x = 1,713,320,574.03/47,409.09
  6. Step 6: Final answer
    x = 36,139.07

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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.