Home / 42,309.45-63,467.36-14,229.58

Finding the Fourth Proportional to 42,309.45, 63,467.36 and 14,229.58

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Solution

The fourth proportional to 42,309.45, 63,467.36 and 14,229.58 is: 21,345.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,309.45 : 63,467.36 = 14,229.58 : x
  2. Step 2: Convert to fraction form
    42,309.45/63,467.36 = 14,229.58/x
  3. Step 3: Cross multiply
    42,309.45x = 63,467.36 × 14,229.58
  4. Step 4: Simplify right side
    42,309.45x = 903,113,876.51
  5. Step 5: Solve for x
    x = 903,113,876.51/42,309.45
  6. Step 6: Final answer
    x = 21,345.44

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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.