Home / 43,313.40-64,970.10-26,619.30

Finding the Fourth Proportional to 43,313.40, 64,970.10 and 26,619.30

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Solution

The fourth proportional to 43,313.40, 64,970.10 and 26,619.30 is: 39,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,313.40 : 64,970.10 = 26,619.30 : x
  2. Step 2: Convert to fraction form
    43,313.40/64,970.10 = 26,619.30/x
  3. Step 3: Cross multiply
    43,313.40x = 64,970.10 × 26,619.30
  4. Step 4: Simplify right side
    43,313.40x = 1,729,458,582.93
  5. Step 5: Solve for x
    x = 1,729,458,582.93/43,313.40
  6. Step 6: Final answer
    x = 39,928.95

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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.