Home / 31,280.34-43,166.88-17,133.42

Finding the Fourth Proportional to 31,280.34, 43,166.88 and 17,133.42

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Solution

The fourth proportional to 31,280.34, 43,166.88 and 17,133.42 is: 23,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280.34 : 43,166.88 = 17,133.42 : x
  2. Step 2: Convert to fraction form
    31,280.34/43,166.88 = 17,133.42/x
  3. Step 3: Cross multiply
    31,280.34x = 43,166.88 × 17,133.42
  4. Step 4: Simplify right side
    31,280.34x = 739,596,285.13
  5. Step 5: Solve for x
    x = 739,596,285.13/31,280.34
  6. Step 6: Final answer
    x = 23,644.13

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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.