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Finding the Fourth Proportional to 31,004.80, 43,494.20 and 31,004.80

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Solution

The fourth proportional to 31,004.80, 43,494.20 and 31,004.80 is: 43,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,004.80 : 43,494.20 = 31,004.80 : x
  2. Step 2: Convert to fraction form
    31,004.80/43,494.20 = 31,004.80/x
  3. Step 3: Cross multiply
    31,004.80x = 43,494.20 × 31,004.80
  4. Step 4: Simplify right side
    31,004.80x = 1,348,528,972.16
  5. Step 5: Solve for x
    x = 1,348,528,972.16/31,004.80
  6. Step 6: Final answer
    x = 43,494.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.