Home / 36,291.84-54,436.80-9,998.40

Finding the Fourth Proportional to 36,291.84, 54,436.80 and 9,998.40

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Solution

The fourth proportional to 36,291.84, 54,436.80 and 9,998.40 is: 14,997.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,291.84 : 54,436.80 = 9,998.40 : x
  2. Step 2: Convert to fraction form
    36,291.84/54,436.80 = 9,998.40/x
  3. Step 3: Cross multiply
    36,291.84x = 54,436.80 × 9,998.40
  4. Step 4: Simplify right side
    36,291.84x = 544,280,901.12
  5. Step 5: Solve for x
    x = 544,280,901.12/36,291.84
  6. Step 6: Final answer
    x = 14,997.34

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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.