Home / 43,057.77-64,526.50-20,865.25

Finding the Fourth Proportional to 43,057.77, 64,526.50 and 20,865.25

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Solution

The fourth proportional to 43,057.77, 64,526.50 and 20,865.25 is: 31,268.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,057.77 : 64,526.50 = 20,865.25 : x
  2. Step 2: Convert to fraction form
    43,057.77/64,526.50 = 20,865.25/x
  3. Step 3: Cross multiply
    43,057.77x = 64,526.50 × 20,865.25
  4. Step 4: Simplify right side
    43,057.77x = 1,346,361,554.13
  5. Step 5: Solve for x
    x = 1,346,361,554.13/43,057.77
  6. Step 6: Final answer
    x = 31,268.72

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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.