Home / 37,450.36-51,681.16-20,683

Finding the Fourth Proportional to 37,450.36, 51,681.16 and 20,683

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Solution

The fourth proportional to 37,450.36, 51,681.16 and 20,683 is: 28,542.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,450.36 : 51,681.16 = 20,683 : x
  2. Step 2: Convert to fraction form
    37,450.36/51,681.16 = 20,683/x
  3. Step 3: Cross multiply
    37,450.36x = 51,681.16 × 20,683
  4. Step 4: Simplify right side
    37,450.36x = 1,068,921,432.28
  5. Step 5: Solve for x
    x = 1,068,921,432.28/37,450.36
  6. Step 6: Final answer
    x = 28,542.35

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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.