Home / 31,212.67-43,096.05-19,292.35

Finding the Fourth Proportional to 31,212.67, 43,096.05 and 19,292.35

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Solution

The fourth proportional to 31,212.67, 43,096.05 and 19,292.35 is: 26,637.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212.67 : 43,096.05 = 19,292.35 : x
  2. Step 2: Convert to fraction form
    31,212.67/43,096.05 = 19,292.35/x
  3. Step 3: Cross multiply
    31,212.67x = 43,096.05 × 19,292.35
  4. Step 4: Simplify right side
    31,212.67x = 831,424,080.22
  5. Step 5: Solve for x
    x = 831,424,080.22/31,212.67
  6. Step 6: Final answer
    x = 26,637.39

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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.