Home / 65,812.08-90,819.76-37,518.24

Finding the Fourth Proportional to 65,812.08, 90,819.76 and 37,518.24

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Solution

The fourth proportional to 65,812.08, 90,819.76 and 37,518.24 is: 51,774.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,812.08 : 90,819.76 = 37,518.24 : x
  2. Step 2: Convert to fraction form
    65,812.08/90,819.76 = 37,518.24/x
  3. Step 3: Cross multiply
    65,812.08x = 90,819.76 × 37,518.24
  4. Step 4: Simplify right side
    65,812.08x = 3,407,397,552.42
  5. Step 5: Solve for x
    x = 3,407,397,552.42/65,812.08
  6. Step 6: Final answer
    x = 51,774.65

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1.5x scale

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.