Home / 42,954.52-64,438.50-13,366.12

Finding the Fourth Proportional to 42,954.52, 64,438.50 and 13,366.12

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Solution

The fourth proportional to 42,954.52, 64,438.50 and 13,366.12 is: 20,051.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,954.52 : 64,438.50 = 13,366.12 : x
  2. Step 2: Convert to fraction form
    42,954.52/64,438.50 = 13,366.12/x
  3. Step 3: Cross multiply
    42,954.52x = 64,438.50 × 13,366.12
  4. Step 4: Simplify right side
    42,954.52x = 861,292,723.62
  5. Step 5: Solve for x
    x = 861,292,723.62/42,954.52
  6. Step 6: Final answer
    x = 20,051.27

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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.