Home / 31,330.02-43,235.49-17,182.98

Finding the Fourth Proportional to 31,330.02, 43,235.49 and 17,182.98

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Solution

The fourth proportional to 31,330.02, 43,235.49 and 17,182.98 is: 23,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,330.02 : 43,235.49 = 17,182.98 : x
  2. Step 2: Convert to fraction form
    31,330.02/43,235.49 = 17,182.98/x
  3. Step 3: Cross multiply
    31,330.02x = 43,235.49 × 17,182.98
  4. Step 4: Simplify right side
    31,330.02x = 742,914,559.96
  5. Step 5: Solve for x
    x = 742,914,559.96/31,330.02
  6. Step 6: Final answer
    x = 23,712.55

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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.