Home / 38,518.11-57,776.70-12,223.08

Finding the Fourth Proportional to 38,518.11, 57,776.70 and 12,223.08

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Solution

The fourth proportional to 38,518.11, 57,776.70 and 12,223.08 is: 18,334.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,518.11 : 57,776.70 = 12,223.08 : x
  2. Step 2: Convert to fraction form
    38,518.11/57,776.70 = 12,223.08/x
  3. Step 3: Cross multiply
    38,518.11x = 57,776.70 × 12,223.08
  4. Step 4: Simplify right side
    38,518.11x = 706,209,226.24
  5. Step 5: Solve for x
    x = 706,209,226.24/38,518.11
  6. Step 6: Final answer
    x = 18,334.47

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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.