Home / 53,207.40-79,811.10-36,618.60

Finding the Fourth Proportional to 53,207.40, 79,811.10 and 36,618.60

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Solution

The fourth proportional to 53,207.40, 79,811.10 and 36,618.60 is: 54,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,207.40 : 79,811.10 = 36,618.60 : x
  2. Step 2: Convert to fraction form
    53,207.40/79,811.10 = 36,618.60/x
  3. Step 3: Cross multiply
    53,207.40x = 79,811.10 × 36,618.60
  4. Step 4: Simplify right side
    53,207.40x = 2,922,570,746.46
  5. Step 5: Solve for x
    x = 2,922,570,746.46/53,207.40
  6. Step 6: Final answer
    x = 54,927.90

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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.