Home / 55,276.28-76,281.51-31,404.26

Finding the Fourth Proportional to 55,276.28, 76,281.51 and 31,404.26

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Solution

The fourth proportional to 55,276.28, 76,281.51 and 31,404.26 is: 43,338.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.28 : 76,281.51 = 31,404.26 : x
  2. Step 2: Convert to fraction form
    55,276.28/76,281.51 = 31,404.26/x
  3. Step 3: Cross multiply
    55,276.28x = 76,281.51 × 31,404.26
  4. Step 4: Simplify right side
    55,276.28x = 2,395,563,991.83
  5. Step 5: Solve for x
    x = 2,395,563,991.83/55,276.28
  6. Step 6: Final answer
    x = 43,338.01

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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.