Home / 58,441.89-87,644.21-18,989.49

Finding the Fourth Proportional to 58,441.89, 87,644.21 and 18,989.49

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Solution

The fourth proportional to 58,441.89, 87,644.21 and 18,989.49 is: 28,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,441.89 : 87,644.21 = 18,989.49 : x
  2. Step 2: Convert to fraction form
    58,441.89/87,644.21 = 18,989.49/x
  3. Step 3: Cross multiply
    58,441.89x = 87,644.21 × 18,989.49
  4. Step 4: Simplify right side
    58,441.89x = 1,664,318,754.41
  5. Step 5: Solve for x
    x = 1,664,318,754.41/58,441.89
  6. Step 6: Final answer
    x = 28,478.18

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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.