Home / 42,179.88-63,138.56-26,564.68

Finding the Fourth Proportional to 42,179.88, 63,138.56 and 26,564.68

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Solution

The fourth proportional to 42,179.88, 63,138.56 and 26,564.68 is: 39,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,179.88 : 63,138.56 = 26,564.68 : x
  2. Step 2: Convert to fraction form
    42,179.88/63,138.56 = 26,564.68/x
  3. Step 3: Cross multiply
    42,179.88x = 63,138.56 × 26,564.68
  4. Step 4: Simplify right side
    42,179.88x = 1,677,255,642.06
  5. Step 5: Solve for x
    x = 1,677,255,642.06/42,179.88
  6. Step 6: Final answer
    x = 39,764.35

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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.