Home / 56,326.32-77,686.92-39,324.96

Finding the Fourth Proportional to 56,326.32, 77,686.92 and 39,324.96

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Solution

The fourth proportional to 56,326.32, 77,686.92 and 39,324.96 is: 54,238.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,326.32 : 77,686.92 = 39,324.96 : x
  2. Step 2: Convert to fraction form
    56,326.32/77,686.92 = 39,324.96/x
  3. Step 3: Cross multiply
    56,326.32x = 77,686.92 × 39,324.96
  4. Step 4: Simplify right side
    56,326.32x = 3,055,035,021.52
  5. Step 5: Solve for x
    x = 3,055,035,021.52/56,326.32
  6. Step 6: Final answer
    x = 54,238.14

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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.