Home / 31,280.36-43,166.48-17,133.21

Finding the Fourth Proportional to 31,280.36, 43,166.48 and 17,133.21

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Solution

The fourth proportional to 31,280.36, 43,166.48 and 17,133.21 is: 23,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280.36 : 43,166.48 = 17,133.21 : x
  2. Step 2: Convert to fraction form
    31,280.36/43,166.48 = 17,133.21/x
  3. Step 3: Cross multiply
    31,280.36x = 43,166.48 × 17,133.21
  4. Step 4: Simplify right side
    31,280.36x = 739,580,281.13
  5. Step 5: Solve for x
    x = 739,580,281.13/31,280.36
  6. Step 6: Final answer
    x = 23,643.60

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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.