Home / 42,131.80-58,151.12-26,222.68

Finding the Fourth Proportional to 42,131.80, 58,151.12 and 26,222.68

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Solution

The fourth proportional to 42,131.80, 58,151.12 and 26,222.68 is: 36,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,131.80 : 58,151.12 = 26,222.68 : x
  2. Step 2: Convert to fraction form
    42,131.80/58,151.12 = 26,222.68/x
  3. Step 3: Cross multiply
    42,131.80x = 58,151.12 × 26,222.68
  4. Step 4: Simplify right side
    42,131.80x = 1,524,878,211.40
  5. Step 5: Solve for x
    x = 1,524,878,211.40/42,131.80
  6. Step 6: Final answer
    x = 36,193.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.