Home / 37,630.40-51,936.72-21,712.64

Finding the Fourth Proportional to 37,630.40, 51,936.72 and 21,712.64

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Solution

The fourth proportional to 37,630.40, 51,936.72 and 21,712.64 is: 29,967.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,630.40 : 51,936.72 = 21,712.64 : x
  2. Step 2: Convert to fraction form
    37,630.40/51,936.72 = 21,712.64/x
  3. Step 3: Cross multiply
    37,630.40x = 51,936.72 × 21,712.64
  4. Step 4: Simplify right side
    37,630.40x = 1,127,683,304.14
  5. Step 5: Solve for x
    x = 1,127,683,304.14/37,630.40
  6. Step 6: Final answer
    x = 29,967.35

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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.