Home / 42,308.45-63,465.86-14,228.58

Finding the Fourth Proportional to 42,308.45, 63,465.86 and 14,228.58

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Solution

The fourth proportional to 42,308.45, 63,465.86 and 14,228.58 is: 21,343.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,308.45 : 63,465.86 = 14,228.58 : x
  2. Step 2: Convert to fraction form
    42,308.45/63,465.86 = 14,228.58/x
  3. Step 3: Cross multiply
    42,308.45x = 63,465.86 × 14,228.58
  4. Step 4: Simplify right side
    42,308.45x = 903,028,995.14
  5. Step 5: Solve for x
    x = 903,028,995.14/42,308.45
  6. Step 6: Final answer
    x = 21,343.94

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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.