Home / 35,438.82-53,141.55-13,246.30

Finding the Fourth Proportional to 35,438.82, 53,141.55 and 13,246.30

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Solution

The fourth proportional to 35,438.82, 53,141.55 and 13,246.30 is: 19,863.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,438.82 : 53,141.55 = 13,246.30 : x
  2. Step 2: Convert to fraction form
    35,438.82/53,141.55 = 13,246.30/x
  3. Step 3: Cross multiply
    35,438.82x = 53,141.55 × 13,246.30
  4. Step 4: Simplify right side
    35,438.82x = 703,928,913.77
  5. Step 5: Solve for x
    x = 703,928,913.77/35,438.82
  6. Step 6: Final answer
    x = 19,863.22

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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.