Home / 43,030.80-64,546.25-13,448.79

Finding the Fourth Proportional to 43,030.80, 64,546.25 and 13,448.79

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Solution

The fourth proportional to 43,030.80, 64,546.25 and 13,448.79 is: 20,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,030.80 : 64,546.25 = 13,448.79 : x
  2. Step 2: Convert to fraction form
    43,030.80/64,546.25 = 13,448.79/x
  3. Step 3: Cross multiply
    43,030.80x = 64,546.25 × 13,448.79
  4. Step 4: Simplify right side
    43,030.80x = 868,068,969.94
  5. Step 5: Solve for x
    x = 868,068,969.94/43,030.80
  6. Step 6: Final answer
    x = 20,173.20

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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.