Home / 31,224.72-43,089.80-17,077.84

Finding the Fourth Proportional to 31,224.72, 43,089.80 and 17,077.84

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Solution

The fourth proportional to 31,224.72, 43,089.80 and 17,077.84 is: 23,567.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,224.72 : 43,089.80 = 17,077.84 : x
  2. Step 2: Convert to fraction form
    31,224.72/43,089.80 = 17,077.84/x
  3. Step 3: Cross multiply
    31,224.72x = 43,089.80 × 17,077.84
  4. Step 4: Simplify right side
    31,224.72x = 735,880,710.03
  5. Step 5: Solve for x
    x = 735,880,710.03/31,224.72
  6. Step 6: Final answer
    x = 23,567.25

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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.