Home / 45,715.20-68,572.80-16,132.80

Finding the Fourth Proportional to 45,715.20, 68,572.80 and 16,132.80

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Solution

The fourth proportional to 45,715.20, 68,572.80 and 16,132.80 is: 24,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,715.20 : 68,572.80 = 16,132.80 : x
  2. Step 2: Convert to fraction form
    45,715.20/68,572.80 = 16,132.80/x
  3. Step 3: Cross multiply
    45,715.20x = 68,572.80 × 16,132.80
  4. Step 4: Simplify right side
    45,715.20x = 1,106,271,267.84
  5. Step 5: Solve for x
    x = 1,106,271,267.84/45,715.20
  6. Step 6: Final answer
    x = 24,199.20

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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.