Home / 43,253.38-64,880.14-12,088.62

Finding the Fourth Proportional to 43,253.38, 64,880.14 and 12,088.62

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Solution

The fourth proportional to 43,253.38, 64,880.14 and 12,088.62 is: 18,132.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,253.38 : 64,880.14 = 12,088.62 : x
  2. Step 2: Convert to fraction form
    43,253.38/64,880.14 = 12,088.62/x
  3. Step 3: Cross multiply
    43,253.38x = 64,880.14 × 12,088.62
  4. Step 4: Simplify right side
    43,253.38x = 784,311,358.01
  5. Step 5: Solve for x
    x = 784,311,358.01/43,253.38
  6. Step 6: Final answer
    x = 18,132.95

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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.