Home / 45,389.86-68,086.61-15,810.69

Finding the Fourth Proportional to 45,389.86, 68,086.61 and 15,810.69

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Solution

The fourth proportional to 45,389.86, 68,086.61 and 15,810.69 is: 23,716.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,389.86 : 68,086.61 = 15,810.69 : x
  2. Step 2: Convert to fraction form
    45,389.86/68,086.61 = 15,810.69/x
  3. Step 3: Cross multiply
    45,389.86x = 68,086.61 × 15,810.69
  4. Step 4: Simplify right side
    45,389.86x = 1,076,496,283.86
  5. Step 5: Solve for x
    x = 1,076,496,283.86/45,389.86
  6. Step 6: Final answer
    x = 23,716.67

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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.