Home / 39,818.55-59,764.74-20,110.93

Finding the Fourth Proportional to 39,818.55, 59,764.74 and 20,110.93

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Solution

The fourth proportional to 39,818.55, 59,764.74 and 20,110.93 is: 30,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,818.55 : 59,764.74 = 20,110.93 : x
  2. Step 2: Convert to fraction form
    39,818.55/59,764.74 = 20,110.93/x
  3. Step 3: Cross multiply
    39,818.55x = 59,764.74 × 20,110.93
  4. Step 4: Simplify right side
    39,818.55x = 1,201,924,502.61
  5. Step 5: Solve for x
    x = 1,201,924,502.61/39,818.55
  6. Step 6: Final answer
    x = 30,185.04

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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.