Home / 37,479.81-51,720.60-20,484.64

Finding the Fourth Proportional to 37,479.81, 51,720.60 and 20,484.64

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Solution

The fourth proportional to 37,479.81, 51,720.60 and 20,484.64 is: 28,267.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,479.81 : 51,720.60 = 20,484.64 : x
  2. Step 2: Convert to fraction form
    37,479.81/51,720.60 = 20,484.64/x
  3. Step 3: Cross multiply
    37,479.81x = 51,720.60 × 20,484.64
  4. Step 4: Simplify right side
    37,479.81x = 1,059,477,871.58
  5. Step 5: Solve for x
    x = 1,059,477,871.58/37,479.81
  6. Step 6: Final answer
    x = 28,267.96

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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.