Home / 49,423.08-74,134.62-12,487.08

Finding the Fourth Proportional to 49,423.08, 74,134.62 and 12,487.08

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Solution

The fourth proportional to 49,423.08, 74,134.62 and 12,487.08 is: 18,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,423.08 : 74,134.62 = 12,487.08 : x
  2. Step 2: Convert to fraction form
    49,423.08/74,134.62 = 12,487.08/x
  3. Step 3: Cross multiply
    49,423.08x = 74,134.62 × 12,487.08
  4. Step 4: Simplify right side
    49,423.08x = 925,724,930.71
  5. Step 5: Solve for x
    x = 925,724,930.71/49,423.08
  6. Step 6: Final answer
    x = 18,730.62

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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.