Home / 42,653.43-63,977.84-13,071.35

Finding the Fourth Proportional to 42,653.43, 63,977.84 and 13,071.35

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Solution

The fourth proportional to 42,653.43, 63,977.84 and 13,071.35 is: 19,606.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,653.43 : 63,977.84 = 13,071.35 : x
  2. Step 2: Convert to fraction form
    42,653.43/63,977.84 = 13,071.35/x
  3. Step 3: Cross multiply
    42,653.43x = 63,977.84 × 13,071.35
  4. Step 4: Simplify right side
    42,653.43x = 836,276,738.88
  5. Step 5: Solve for x
    x = 836,276,738.88/42,653.43
  6. Step 6: Final answer
    x = 19,606.32

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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.