Home / 55,986.60-83,931.30-33,776.40

Finding the Fourth Proportional to 55,986.60, 83,931.30 and 33,776.40

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Solution

The fourth proportional to 55,986.60, 83,931.30 and 33,776.40 is: 50,635.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,986.60 : 83,931.30 = 33,776.40 : x
  2. Step 2: Convert to fraction form
    55,986.60/83,931.30 = 33,776.40/x
  3. Step 3: Cross multiply
    55,986.60x = 83,931.30 × 33,776.40
  4. Step 4: Simplify right side
    55,986.60x = 2,834,897,161.32
  5. Step 5: Solve for x
    x = 2,834,897,161.32/55,986.60
  6. Step 6: Final answer
    x = 50,635.28

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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.