Home / 35,606.40-53,339.20-31,228.80

Finding the Fourth Proportional to 35,606.40, 53,339.20 and 31,228.80

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Solution

The fourth proportional to 35,606.40, 53,339.20 and 31,228.80 is: 46,781.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,606.40 : 53,339.20 = 31,228.80 : x
  2. Step 2: Convert to fraction form
    35,606.40/53,339.20 = 31,228.80/x
  3. Step 3: Cross multiply
    35,606.40x = 53,339.20 × 31,228.80
  4. Step 4: Simplify right side
    35,606.40x = 1,665,719,208.96
  5. Step 5: Solve for x
    x = 1,665,719,208.96/35,606.40
  6. Step 6: Final answer
    x = 46,781.46

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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.