Home / 37,450.76-51,681.06-20,683.40

Finding the Fourth Proportional to 37,450.76, 51,681.06 and 20,683.40

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Solution

The fourth proportional to 37,450.76, 51,681.06 and 20,683.40 is: 28,542.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,450.76 : 51,681.06 = 20,683.40 : x
  2. Step 2: Convert to fraction form
    37,450.76/51,681.06 = 20,683.40/x
  3. Step 3: Cross multiply
    37,450.76x = 51,681.06 × 20,683.40
  4. Step 4: Simplify right side
    37,450.76x = 1,068,940,036.40
  5. Step 5: Solve for x
    x = 1,068,940,036.40/37,450.76
  6. Step 6: Final answer
    x = 28,542.55

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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.