Home / 42,003.70-63,005.55-26,451.70

Finding the Fourth Proportional to 42,003.70, 63,005.55 and 26,451.70

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Solution

The fourth proportional to 42,003.70, 63,005.55 and 26,451.70 is: 39,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,003.70 : 63,005.55 = 26,451.70 : x
  2. Step 2: Convert to fraction form
    42,003.70/63,005.55 = 26,451.70/x
  3. Step 3: Cross multiply
    42,003.70x = 63,005.55 × 26,451.70
  4. Step 4: Simplify right side
    42,003.70x = 1,666,603,906.94
  5. Step 5: Solve for x
    x = 1,666,603,906.94/42,003.70
  6. Step 6: Final answer
    x = 39,677.55

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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.