Home / 45,688.71-68,532.39-12,409.50

Finding the Fourth Proportional to 45,688.71, 68,532.39 and 12,409.50

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Solution

The fourth proportional to 45,688.71, 68,532.39 and 12,409.50 is: 18,614.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,688.71 : 68,532.39 = 12,409.50 : x
  2. Step 2: Convert to fraction form
    45,688.71/68,532.39 = 12,409.50/x
  3. Step 3: Cross multiply
    45,688.71x = 68,532.39 × 12,409.50
  4. Step 4: Simplify right side
    45,688.71x = 850,452,693.71
  5. Step 5: Solve for x
    x = 850,452,693.71/45,688.71
  6. Step 6: Final answer
    x = 18,614.07

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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.