Home / 45,151.16-67,741.86-21,774.92

Finding the Fourth Proportional to 45,151.16, 67,741.86 and 21,774.92

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Solution

The fourth proportional to 45,151.16, 67,741.86 and 21,774.92 is: 32,669.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,151.16 : 67,741.86 = 21,774.92 : x
  2. Step 2: Convert to fraction form
    45,151.16/67,741.86 = 21,774.92/x
  3. Step 3: Cross multiply
    45,151.16x = 67,741.86 × 21,774.92
  4. Step 4: Simplify right side
    45,151.16x = 1,475,073,582.15
  5. Step 5: Solve for x
    x = 1,475,073,582.15/45,151.16
  6. Step 6: Final answer
    x = 32,669.67

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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.