Home / 37,777.92-52,135.28-21,859.28

Finding the Fourth Proportional to 37,777.92, 52,135.28 and 21,859.28

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Solution

The fourth proportional to 37,777.92, 52,135.28 and 21,859.28 is: 30,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,777.92 : 52,135.28 = 21,859.28 : x
  2. Step 2: Convert to fraction form
    37,777.92/52,135.28 = 21,859.28/x
  3. Step 3: Cross multiply
    37,777.92x = 52,135.28 × 21,859.28
  4. Step 4: Simplify right side
    37,777.92x = 1,139,639,683.40
  5. Step 5: Solve for x
    x = 1,139,639,683.40/37,777.92
  6. Step 6: Final answer
    x = 30,166.82

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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.