Home / 65,821.28-90,838.24-37,527.68

Finding the Fourth Proportional to 65,821.28, 90,838.24 and 37,527.68

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Solution

The fourth proportional to 65,821.28, 90,838.24 and 37,527.68 is: 51,790.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,821.28 : 90,838.24 = 37,527.68 : x
  2. Step 2: Convert to fraction form
    65,821.28/90,838.24 = 37,527.68/x
  3. Step 3: Cross multiply
    65,821.28x = 90,838.24 × 37,527.68
  4. Step 4: Simplify right side
    65,821.28x = 3,408,948,402.48
  5. Step 5: Solve for x
    x = 3,408,948,402.48/65,821.28
  6. Step 6: Final answer
    x = 51,790.98

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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.