Home / 36,045.40-54,068.10-12,674.20

Finding the Fourth Proportional to 36,045.40, 54,068.10 and 12,674.20

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Solution

The fourth proportional to 36,045.40, 54,068.10 and 12,674.20 is: 19,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,045.40 : 54,068.10 = 12,674.20 : x
  2. Step 2: Convert to fraction form
    36,045.40/54,068.10 = 12,674.20/x
  3. Step 3: Cross multiply
    36,045.40x = 54,068.10 × 12,674.20
  4. Step 4: Simplify right side
    36,045.40x = 685,269,913.02
  5. Step 5: Solve for x
    x = 685,269,913.02/36,045.40
  6. Step 6: Final answer
    x = 19,011.30

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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.