Home / 58,278.06-87,435.42-20,837.22

Finding the Fourth Proportional to 58,278.06, 87,435.42 and 20,837.22

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Solution

The fourth proportional to 58,278.06, 87,435.42 and 20,837.22 is: 31,262.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,278.06 : 87,435.42 = 20,837.22 : x
  2. Step 2: Convert to fraction form
    58,278.06/87,435.42 = 20,837.22/x
  3. Step 3: Cross multiply
    58,278.06x = 87,435.42 × 20,837.22
  4. Step 4: Simplify right side
    58,278.06x = 1,821,911,082.33
  5. Step 5: Solve for x
    x = 1,821,911,082.33/58,278.06
  6. Step 6: Final answer
    x = 31,262.38

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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.