Home / 42,769.92-64,154.88-23,057.76

Finding the Fourth Proportional to 42,769.92, 64,154.88 and 23,057.76

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Solution

The fourth proportional to 42,769.92, 64,154.88 and 23,057.76 is: 34,586.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,769.92 : 64,154.88 = 23,057.76 : x
  2. Step 2: Convert to fraction form
    42,769.92/64,154.88 = 23,057.76/x
  3. Step 3: Cross multiply
    42,769.92x = 64,154.88 × 23,057.76
  4. Step 4: Simplify right side
    42,769.92x = 1,479,267,825.87
  5. Step 5: Solve for x
    x = 1,479,267,825.87/42,769.92
  6. Step 6: Final answer
    x = 34,586.64

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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.