Home / 37,876.68-52,267.36-20,881.07

Finding the Fourth Proportional to 37,876.68, 52,267.36 and 20,881.07

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Solution

The fourth proportional to 37,876.68, 52,267.36 and 20,881.07 is: 28,814.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,876.68 : 52,267.36 = 20,881.07 : x
  2. Step 2: Convert to fraction form
    37,876.68/52,267.36 = 20,881.07/x
  3. Step 3: Cross multiply
    37,876.68x = 52,267.36 × 20,881.07
  4. Step 4: Simplify right side
    37,876.68x = 1,091,398,265.58
  5. Step 5: Solve for x
    x = 1,091,398,265.58/37,876.68
  6. Step 6: Final answer
    x = 28,814.52

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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.