Home / 42,653.40-63,991.73-13,070.58

Finding the Fourth Proportional to 42,653.40, 63,991.73 and 13,070.58

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Solution

The fourth proportional to 42,653.40, 63,991.73 and 13,070.58 is: 19,609.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,653.40 : 63,991.73 = 13,070.58 : x
  2. Step 2: Convert to fraction form
    42,653.40/63,991.73 = 13,070.58/x
  3. Step 3: Cross multiply
    42,653.40x = 63,991.73 × 13,070.58
  4. Step 4: Simplify right side
    42,653.40x = 836,408,960.95
  5. Step 5: Solve for x
    x = 836,408,960.95/42,653.40
  6. Step 6: Final answer
    x = 19,609.43

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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.