Home / 35,785.50-53,660.88-10,820.76

Finding the Fourth Proportional to 35,785.50, 53,660.88 and 10,820.76

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Solution

The fourth proportional to 35,785.50, 53,660.88 and 10,820.76 is: 16,225.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,785.50 : 53,660.88 = 10,820.76 : x
  2. Step 2: Convert to fraction form
    35,785.50/53,660.88 = 10,820.76/x
  3. Step 3: Cross multiply
    35,785.50x = 53,660.88 × 10,820.76
  4. Step 4: Simplify right side
    35,785.50x = 580,651,503.87
  5. Step 5: Solve for x
    x = 580,651,503.87/35,785.50
  6. Step 6: Final answer
    x = 16,225.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.