Home / 35,620.40-53,360.20-31,242.80

Finding the Fourth Proportional to 35,620.40, 53,360.20 and 31,242.80

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Solution

The fourth proportional to 35,620.40, 53,360.20 and 31,242.80 is: 46,802.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,620.40 : 53,360.20 = 31,242.80 : x
  2. Step 2: Convert to fraction form
    35,620.40/53,360.20 = 31,242.80/x
  3. Step 3: Cross multiply
    35,620.40x = 53,360.20 × 31,242.80
  4. Step 4: Simplify right side
    35,620.40x = 1,667,122,056.56
  5. Step 5: Solve for x
    x = 1,667,122,056.56/35,620.40
  6. Step 6: Final answer
    x = 46,802.45

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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.