Home / 37,442.36-51,669.78-20,675

Finding the Fourth Proportional to 37,442.36, 51,669.78 and 20,675

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Solution

The fourth proportional to 37,442.36, 51,669.78 and 20,675 is: 28,531.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,442.36 : 51,669.78 = 20,675 : x
  2. Step 2: Convert to fraction form
    37,442.36/51,669.78 = 20,675/x
  3. Step 3: Cross multiply
    37,442.36x = 51,669.78 × 20,675
  4. Step 4: Simplify right side
    37,442.36x = 1,068,272,701.50
  5. Step 5: Solve for x
    x = 1,068,272,701.50/37,442.36
  6. Step 6: Final answer
    x = 28,531.13

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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.