Home / 43,265.30-64,892.46-13,686.12

Finding the Fourth Proportional to 43,265.30, 64,892.46 and 13,686.12

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Solution

The fourth proportional to 43,265.30, 64,892.46 and 13,686.12 is: 20,527.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,265.30 : 64,892.46 = 13,686.12 : x
  2. Step 2: Convert to fraction form
    43,265.30/64,892.46 = 13,686.12/x
  3. Step 3: Cross multiply
    43,265.30x = 64,892.46 × 13,686.12
  4. Step 4: Simplify right side
    43,265.30x = 888,125,994.66
  5. Step 5: Solve for x
    x = 888,125,994.66/43,265.30
  6. Step 6: Final answer
    x = 20,527.45

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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.