Home / 40,071.31-55,551.28-37,938.30

Finding the Fourth Proportional to 40,071.31, 55,551.28 and 37,938.30

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Solution

The fourth proportional to 40,071.31, 55,551.28 and 37,938.30 is: 52,594.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,071.31 : 55,551.28 = 37,938.30 : x
  2. Step 2: Convert to fraction form
    40,071.31/55,551.28 = 37,938.30/x
  3. Step 3: Cross multiply
    40,071.31x = 55,551.28 × 37,938.30
  4. Step 4: Simplify right side
    40,071.31x = 2,107,521,103.58
  5. Step 5: Solve for x
    x = 2,107,521,103.58/40,071.31
  6. Step 6: Final answer
    x = 52,594.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.