Home / 31,280.16-43,166.61-17,133.51

Finding the Fourth Proportional to 31,280.16, 43,166.61 and 17,133.51

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Solution

The fourth proportional to 31,280.16, 43,166.61 and 17,133.51 is: 23,644.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280.16 : 43,166.61 = 17,133.51 : x
  2. Step 2: Convert to fraction form
    31,280.16/43,166.61 = 17,133.51/x
  3. Step 3: Cross multiply
    31,280.16x = 43,166.61 × 17,133.51
  4. Step 4: Simplify right side
    31,280.16x = 739,595,544.10
  5. Step 5: Solve for x
    x = 739,595,544.10/31,280.16
  6. Step 6: Final answer
    x = 23,644.24

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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.