Home / 36,231.80-54,341.88-9,930.40

Finding the Fourth Proportional to 36,231.80, 54,341.88 and 9,930.40

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Solution

The fourth proportional to 36,231.80, 54,341.88 and 9,930.40 is: 14,894.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,231.80 : 54,341.88 = 9,930.40 : x
  2. Step 2: Convert to fraction form
    36,231.80/54,341.88 = 9,930.40/x
  3. Step 3: Cross multiply
    36,231.80x = 54,341.88 × 9,930.40
  4. Step 4: Simplify right side
    36,231.80x = 539,636,605.15
  5. Step 5: Solve for x
    x = 539,636,605.15/36,231.80
  6. Step 6: Final answer
    x = 14,894.00

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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.