Home / 53,717.22-80,575.76-18,657.18

Finding the Fourth Proportional to 53,717.22, 80,575.76 and 18,657.18

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Solution

The fourth proportional to 53,717.22, 80,575.76 and 18,657.18 is: 27,985.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,717.22 : 80,575.76 = 18,657.18 : x
  2. Step 2: Convert to fraction form
    53,717.22/80,575.76 = 18,657.18/x
  3. Step 3: Cross multiply
    53,717.22x = 80,575.76 × 18,657.18
  4. Step 4: Simplify right side
    53,717.22x = 1,503,316,457.96
  5. Step 5: Solve for x
    x = 1,503,316,457.96/53,717.22
  6. Step 6: Final answer
    x = 27,985.75

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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.