Home / 31,418.74-43,360.02-17,271.58

Finding the Fourth Proportional to 31,418.74, 43,360.02 and 17,271.58

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Solution

The fourth proportional to 31,418.74, 43,360.02 and 17,271.58 is: 23,835.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,418.74 : 43,360.02 = 17,271.58 : x
  2. Step 2: Convert to fraction form
    31,418.74/43,360.02 = 17,271.58/x
  3. Step 3: Cross multiply
    31,418.74x = 43,360.02 × 17,271.58
  4. Step 4: Simplify right side
    31,418.74x = 748,896,054.23
  5. Step 5: Solve for x
    x = 748,896,054.23/31,418.74
  6. Step 6: Final answer
    x = 23,835.97

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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.