Home / 53,763.48-80,659.74-18,705.08

Finding the Fourth Proportional to 53,763.48, 80,659.74 and 18,705.08

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Solution

The fourth proportional to 53,763.48, 80,659.74 and 18,705.08 is: 28,062.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,763.48 : 80,659.74 = 18,705.08 : x
  2. Step 2: Convert to fraction form
    53,763.48/80,659.74 = 18,705.08/x
  3. Step 3: Cross multiply
    53,763.48x = 80,659.74 × 18,705.08
  4. Step 4: Simplify right side
    53,763.48x = 1,508,746,889.48
  5. Step 5: Solve for x
    x = 1,508,746,889.48/53,763.48
  6. Step 6: Final answer
    x = 28,062.67

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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.