Home / 39,818.70-59,686.11-20,055.72

Finding the Fourth Proportional to 39,818.70, 59,686.11 and 20,055.72

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Solution

The fourth proportional to 39,818.70, 59,686.11 and 20,055.72 is: 30,062.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,818.70 : 59,686.11 = 20,055.72 : x
  2. Step 2: Convert to fraction form
    39,818.70/59,686.11 = 20,055.72/x
  3. Step 3: Cross multiply
    39,818.70x = 59,686.11 × 20,055.72
  4. Step 4: Simplify right side
    39,818.70x = 1,197,047,910.05
  5. Step 5: Solve for x
    x = 1,197,047,910.05/39,818.70
  6. Step 6: Final answer
    x = 30,062.46

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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.