Home / 40,491.51-55,878.30-22,586.46

Finding the Fourth Proportional to 40,491.51, 55,878.30 and 22,586.46

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Solution

The fourth proportional to 40,491.51, 55,878.30 and 22,586.46 is: 31,169.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,491.51 : 55,878.30 = 22,586.46 : x
  2. Step 2: Convert to fraction form
    40,491.51/55,878.30 = 22,586.46/x
  3. Step 3: Cross multiply
    40,491.51x = 55,878.30 × 22,586.46
  4. Step 4: Simplify right side
    40,491.51x = 1,262,092,987.82
  5. Step 5: Solve for x
    x = 1,262,092,987.82/40,491.51
  6. Step 6: Final answer
    x = 31,169.32

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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.