Home / 38,647.10-57,936.90-14,970.80

Finding the Fourth Proportional to 38,647.10, 57,936.90 and 14,970.80

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Solution

The fourth proportional to 38,647.10, 57,936.90 and 14,970.80 is: 22,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,647.10 : 57,936.90 = 14,970.80 : x
  2. Step 2: Convert to fraction form
    38,647.10/57,936.90 = 14,970.80/x
  3. Step 3: Cross multiply
    38,647.10x = 57,936.90 × 14,970.80
  4. Step 4: Simplify right side
    38,647.10x = 867,361,742.52
  5. Step 5: Solve for x
    x = 867,361,742.52/38,647.10
  6. Step 6: Final answer
    x = 22,443.13

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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.