Home / 42,792.84-64,189.20-16,479.13

Finding the Fourth Proportional to 42,792.84, 64,189.20 and 16,479.13

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Solution

The fourth proportional to 42,792.84, 64,189.20 and 16,479.13 is: 24,718.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,792.84 : 64,189.20 = 16,479.13 : x
  2. Step 2: Convert to fraction form
    42,792.84/64,189.20 = 16,479.13/x
  3. Step 3: Cross multiply
    42,792.84x = 64,189.20 × 16,479.13
  4. Step 4: Simplify right side
    42,792.84x = 1,057,781,850.45
  5. Step 5: Solve for x
    x = 1,057,781,850.45/42,792.84
  6. Step 6: Final answer
    x = 24,718.67

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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.