Home / 61,292.27-91,931.57-21,304.34

Finding the Fourth Proportional to 61,292.27, 91,931.57 and 21,304.34

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Solution

The fourth proportional to 61,292.27, 91,931.57 and 21,304.34 is: 31,954.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,292.27 : 91,931.57 = 21,304.34 : x
  2. Step 2: Convert to fraction form
    61,292.27/91,931.57 = 21,304.34/x
  3. Step 3: Cross multiply
    61,292.27x = 91,931.57 × 21,304.34
  4. Step 4: Simplify right side
    61,292.27x = 1,958,541,570.99
  5. Step 5: Solve for x
    x = 1,958,541,570.99/61,292.27
  6. Step 6: Final answer
    x = 31,954.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.