Home / 31,214.67-43,098.80-19,294.35

Finding the Fourth Proportional to 31,214.67, 43,098.80 and 19,294.35

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Solution

The fourth proportional to 31,214.67, 43,098.80 and 19,294.35 is: 26,640.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,214.67 : 43,098.80 = 19,294.35 : x
  2. Step 2: Convert to fraction form
    31,214.67/43,098.80 = 19,294.35/x
  3. Step 3: Cross multiply
    31,214.67x = 43,098.80 × 19,294.35
  4. Step 4: Simplify right side
    31,214.67x = 831,563,235.31
  5. Step 5: Solve for x
    x = 831,563,235.31/31,214.67
  6. Step 6: Final answer
    x = 26,640.14

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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.