Home / 35,609.40-53,343.70-31,231.80

Finding the Fourth Proportional to 35,609.40, 53,343.70 and 31,231.80

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Solution

The fourth proportional to 35,609.40, 53,343.70 and 31,231.80 is: 46,785.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,609.40 : 53,343.70 = 31,231.80 : x
  2. Step 2: Convert to fraction form
    35,609.40/53,343.70 = 31,231.80/x
  3. Step 3: Cross multiply
    35,609.40x = 53,343.70 × 31,231.80
  4. Step 4: Simplify right side
    35,609.40x = 1,666,019,769.66
  5. Step 5: Solve for x
    x = 1,666,019,769.66/35,609.40
  6. Step 6: Final answer
    x = 46,785.95

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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.