Home / 42,494.36-63,740.98-19,104.28

Finding the Fourth Proportional to 42,494.36, 63,740.98 and 19,104.28

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Solution

The fourth proportional to 42,494.36, 63,740.98 and 19,104.28 is: 28,656.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,494.36 : 63,740.98 = 19,104.28 : x
  2. Step 2: Convert to fraction form
    42,494.36/63,740.98 = 19,104.28/x
  3. Step 3: Cross multiply
    42,494.36x = 63,740.98 × 19,104.28
  4. Step 4: Simplify right side
    42,494.36x = 1,217,725,529.39
  5. Step 5: Solve for x
    x = 1,217,725,529.39/42,494.36
  6. Step 6: Final answer
    x = 28,656.17

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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.