Home / 60,986.05-91,478.40-16,612.50

Finding the Fourth Proportional to 60,986.05, 91,478.40 and 16,612.50

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Solution

The fourth proportional to 60,986.05, 91,478.40 and 16,612.50 is: 24,918.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,986.05 : 91,478.40 = 16,612.50 : x
  2. Step 2: Convert to fraction form
    60,986.05/91,478.40 = 16,612.50/x
  3. Step 3: Cross multiply
    60,986.05x = 91,478.40 × 16,612.50
  4. Step 4: Simplify right side
    60,986.05x = 1,519,684,920
  5. Step 5: Solve for x
    x = 1,519,684,920/60,986.05
  6. Step 6: Final answer
    x = 24,918.57

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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.