Home / 45,090.64-67,647.09-13,925.89

Finding the Fourth Proportional to 45,090.64, 67,647.09 and 13,925.89

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Solution

The fourth proportional to 45,090.64, 67,647.09 and 13,925.89 is: 20,892.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,090.64 : 67,647.09 = 13,925.89 : x
  2. Step 2: Convert to fraction form
    45,090.64/67,647.09 = 13,925.89/x
  3. Step 3: Cross multiply
    45,090.64x = 67,647.09 × 13,925.89
  4. Step 4: Simplify right side
    45,090.64x = 942,045,934.16
  5. Step 5: Solve for x
    x = 942,045,934.16/45,090.64
  6. Step 6: Final answer
    x = 20,892.27

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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.