Home / 57,004.40-85,506.60-36,009.20

Finding the Fourth Proportional to 57,004.40, 85,506.60 and 36,009.20

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Solution

The fourth proportional to 57,004.40, 85,506.60 and 36,009.20 is: 54,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,004.40 : 85,506.60 = 36,009.20 : x
  2. Step 2: Convert to fraction form
    57,004.40/85,506.60 = 36,009.20/x
  3. Step 3: Cross multiply
    57,004.40x = 85,506.60 × 36,009.20
  4. Step 4: Simplify right side
    57,004.40x = 3,079,024,260.72
  5. Step 5: Solve for x
    x = 3,079,024,260.72/57,004.40
  6. Step 6: Final answer
    x = 54,013.80

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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.