Home / 36,294.13-54,448.89-12,920.50

Finding the Fourth Proportional to 36,294.13, 54,448.89 and 12,920.50

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Solution

The fourth proportional to 36,294.13, 54,448.89 and 12,920.50 is: 19,383.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,294.13 : 54,448.89 = 12,920.50 : x
  2. Step 2: Convert to fraction form
    36,294.13/54,448.89 = 12,920.50/x
  3. Step 3: Cross multiply
    36,294.13x = 54,448.89 × 12,920.50
  4. Step 4: Simplify right side
    36,294.13x = 703,506,883.25
  5. Step 5: Solve for x
    x = 703,506,883.25/36,294.13
  6. Step 6: Final answer
    x = 19,383.49

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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.