Home / 60,541.26-90,811.89-18,991.50

Finding the Fourth Proportional to 60,541.26, 90,811.89 and 18,991.50

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Solution

The fourth proportional to 60,541.26, 90,811.89 and 18,991.50 is: 28,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,541.26 : 90,811.89 = 18,991.50 : x
  2. Step 2: Convert to fraction form
    60,541.26/90,811.89 = 18,991.50/x
  3. Step 3: Cross multiply
    60,541.26x = 90,811.89 × 18,991.50
  4. Step 4: Simplify right side
    60,541.26x = 1,724,654,008.94
  5. Step 5: Solve for x
    x = 1,724,654,008.94/60,541.26
  6. Step 6: Final answer
    x = 28,487.25

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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.